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2016-05-03pxa168_eth: fix mdiobus_scan() error checkSergei Shtylyov
Since mdiobus_scan() returns either an error code or NULL on error, the driver should check for both, not only for NULL, otherwise a crash is imminent... Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-03drm/amdgpu: make sure vertical front porch is at least 1Alex Deucher
hw doesn't like a 0 value. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2016-05-03drm/radeon: make sure vertical front porch is at least 1Alex Deucher
hw doesn't like a 0 value. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2016-05-03Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid Pull HID fixes from Jiri Kosina: "Fixes for the HID subsystem: - regression fix for Wacom driver; commit introduced in 4.6-rc1 mistakenly removed line that should be kept. Fix by Ping Cheng - two device-specific quirks, by Ping Cheng and Nazar Mokrynskyi" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: wacom: add missed stylus_in_proximity line back HID: Fix boot delay for Creative SB Omni Surround 5.1 with quirk HID: wacom: Add support for DTK-1651
2016-05-03Merge tag 'clk-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull clk fix from Stephen Boyd: "One small bug fix for the imx6qp CAN clk definition that was causing failures and division by zeros in the kernel on those devices" * tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: clk: imx6q: fix typo in CAN clock definition
2016-05-03net/mlx5e: Use workqueue for vxlan opsMatthew Finlay
The vxlan add/delete port NDOs are called under rcu lock. The current mlx5e implementation can potentially block in these calls, which is not allowed. Move to using the mlx5e workqueue to handle these NDOs. Fixes: b3f63c3d5e2c ('net/mlx5e: Add netdev support for VXLAN tunneling') Signed-off-by: Matthew Finlay <matt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-03net/mlx5e: Implement a mlx5e workqueueMatthew Finlay
Implement a mlx5e workqueue to handle all mlx5e specific tasks. Move all tasks currently using the system workqueue to the new workqueue. This is in preparation for vxlan using the mlx5e workqueue in order to schedule port add/remove operations. Signed-off-by: Matthew Finlay <matt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-03net/mlx5: Kconfig: Fix MLX5_EN/VXLAN build issueMatthew Finlay
When MLX5_EN=y MLX5_CORE=y and VXLAN=m there is a linker error for vxlan_get_rx_port() due to the fact that VXLAN is a module. Change Kconfig to select VXLAN when MLX5_CORE=y. When MLX5_CORE=m there is no dependency on the value of VXLAN. Fixes: b3f63c3d5e2c ('net/mlx5e: Add netdev support for VXLAN tunneling') Signed-off-by: Matthew Finlay <matt@mellanox.com> Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-03net/mlx5: Unmap only the relevant IO memory mappingGal Pressman
When freeing UAR the driver tries to unmap uar->map and uar->bf_map which are mutually exclusive thus always unmapping a NULL pointer. Make sure we only call iounmap() once, for the actual mapping. Fixes: 0ba422410bbf ('net/mlx5: Fix global UAR mapping') Signed-off-by: Gal Pressman <galp@mellanox.com> Reported-by: Doron Tsur <doront@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-03drm/amdgpu: set metadata pointer to NULL after freeing.Dave Airlie
Without this there was a double free of the metadata, which ended up freeing the fd table for me here, and taking out the machine more often than not. I reproduced with X.org + modesetting DDX + latest llvm/mesa, also required using dri3. Cc: stable@vger.kernel.org Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2016-05-03HID: wacom: add missed stylus_in_proximity line backPing Cheng
Commit 7e12978 ("HID: wacom: break out wacom_intuos_get_tool_type") by accident removed stylus_in_proximity flag for Intuos series while shuffling the code around. Fix that by reintroducing that flag setting in wacom_intuos_inout(), where it originally was. Fixes: 7e12978 ("HID: wacom: break out wacom_intuos_get_tool_type") Signed-off-by: Ping Cheng <pingc@wacom.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-05-03USB: serial: option: add support for Cinterion PH8 and AHxxSchemmel Hans-Christoph
Added support for Gemalto's Cinterion PH8 and AHxx products with 2 RmNet Interfaces and products with 1 RmNet + 1 USB Audio interface. In addition some minor renaming and formatting. Signed-off-by: Hans-Christoph Schemmel <hans-christoph.schemmel@gemalto.com> [johan: sort current entries and trim trailing whitespace ] Cc: stable <stable@vger.kernel.org> Signed-off-by: Johan Hovold <johan@kernel.org>
2016-05-02Merge tag 'md/4.6-rc6-fix' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/shli/md Pull MD fixes from Shaohua Li: "This update includes several trival fixes. The only important one is to fix MD bio merge, which has big performance impact" * tag 'md/4.6-rc6-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md: raid5: delete unnecessary warnning MD: make bio mergeable md/raid0: remove empty line printk from dump_zones md/raid0: fix uninitialized variable bug
2016-05-02Merge tag 'gpio-v4.6-4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull GPIO fixes from Linus Walleij: "Here are some late but important fixes for the v4.6 kernel series. ACPI and RCAR, so two driver fixes (PM related) and a self-evident string lookup fix for ACPI GPIOs: - A serious ACPI fix targeted for stable: lookup strings were being free'd. - Revert two patches from the RCAR driver" * tag 'gpio-v4.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: gpiolib-acpi: Duplicate con_id string when adding it to the crs lookup list Revert "gpio: rcar: Fine-grained Runtime PM support" Revert "gpio: rcar: Add Runtime PM handling for interrupts"
2016-05-02Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
Pull networking fixes from David Miller: 1) MODULE_FIRMWARE firmware string not correct for iwlwifi 8000 chips, from Sara Sharon. 2) Fix SKB size checks in batman-adv stack on receive, from Sven Eckelmann. 3) Leak fix on mac80211 interface add error paths, from Johannes Berg. 4) Cannot invoke napi_disable() with BH disabled in myri10ge driver, fix from Stanislaw Gruszka. 5) Fix sign extension problem when computing feature masks in net_gso_ok(), from Marcelo Ricardo Leitner. 6) lan78xx driver doesn't count packets and packet lengths in its statistics properly, fix from Woojung Huh. 7) Fix the buffer allocation sizes in pegasus USB driver, from Petko Manolov. 8) Fix refcount overflows in bpf, from Alexei Starovoitov. 9) Unified dst cache handling introduced a preempt warning in ip_tunnel, fix by resetting rather then setting the cached route. From Paolo Abeni. 10) Listener hash collision test fix in soreuseport, from Craig Gallak * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (47 commits) gre: do not pull header in ICMP error processing net: Implement net_dbg_ratelimited() for CONFIG_DYNAMIC_DEBUG case tipc: only process unicast on intended node cxgb3: fix out of bounds read net/smscx5xx: use the device tree for mac address soreuseport: Fix TCP listener hash collision net: l2tp: fix reversed udp6 checksum flags ip_tunnel: fix preempt warning in ip tunnel creation/updating samples/bpf: fix trace_output example bpf: fix check_map_func_compatibility logic bpf: fix refcnt overflow drivers: net: cpsw: use of_phy_connect() in fixed-link case dt: cpsw: phy-handle, phy_id, and fixed-link are mutually exclusive drivers: net: cpsw: don't ignore phy-mode if phy-handle is used drivers: net: cpsw: fix segfault in case of bad phy-handle drivers: net: cpsw: fix parsing of phy-handle DT property in dual_emac config MAINTAINERS: net: Change maintainer for GRETH 10/100/1G Ethernet MAC device driver gre: reject GUE and FOU in collect metadata mode pegasus: fixes reported packet length pegasus: fixes URB buffer allocation size; ...
2016-05-02nfit: fix translation of command status resultsDan Williams
When transportation of the command completes successfully, it indicates that the 'status' result is valid. Fix the missed checking and translation of the status field at the end of acpi_nfit_ctl(). Otherwise, we fail to handle reported errors and assume commands complete successfully. Reported-by: Linda Knippers <linda.knippers@hpe.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2016-05-02Revert "USB / PM: Allow USB devices to remain runtime-suspended when sleeping"Johan Hovold
This reverts commit e3345db85068ddb937fc0ba40dfc39c293dad977, which broke system resume for a large class of devices. Devices that after having been reset during resume need to be rebound due to a missing reset_resume callback, are now left in a suspended state. This specifically broke resume of common USB-serial devices, which are now unusable after system suspend (until disconnected and reconnected) when USB persist is enabled. During resume, usb_resume_interface will set the needs_binding flag for such interfaces, but unlike system resume, run-time resume does not honour it. Cc: stable <stable@vger.kernel.org> # 4.5 Signed-off-by: Johan Hovold <johan@kernel.org> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-02nvmem: mxs-ocotp: fix buffer overflow in readStanislav Meduna
This patch fixes the issue where the mxs_ocotp_read is reading the ocotp in reg_size steps but decrements the remaining size by 1. The number of iterations is thus four times higher, overwriting the area behind the output buffer. Fixes: c01e9a11ab6f ("nvmem: add driver for ocotp in i.MX23 and i.MX28") Tested-by: Stefan Wahren <stefan.wahren@i2se.com> Signed-off-by: Stanislav Meduna <stano@meduna.org> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-05-02[media] media: s3c-camif: fix deadlock on driver probe()Marek Szyprowski
Commit 0c426c472b5585ed6e59160359c979506d45ae49 ("[media] media: Always keep a graph walk large enough around") changed media_device_register_entity() function to take mdev->graph_mutex. This causes deadlock in driver probe, which calls (indirectly) this function with ->graph_mutex taken. This patch removes taking ->graph_mutex in driver probe to avoid deadlock. Other drivers don't take ->graph_mutex for entity registration, so this change should be safe. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2016-05-02[media] media: exynos4-is: fix deadlock on driver probeMarek Szyprowski
Commit 0c426c472b5585ed6e59160359c979506d45ae49 ("[media] media: Always keep a graph walk large enough around") changed media_device_register_entity() function to take mdev->graph_mutex. This causes deadlock in driver probe, which calls (indirectly) this function with ->graph_mutex taken. This patch removes taking ->graph_mutex in driver probe to avoid deadlock. Other drivers don't take ->graph_mutex for entity registration, so this change should be safe. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Tested-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2016-05-02cpufreq: intel_pstate: Fix HWP on boot CPU after system resumeRafael J. Wysocki
Commit 41cfd64cf49fc "Update frequencies of policy->cpus only from ->set_policy()" changed the way the intel_pstate driver's ->set_policy callback updates the HWP (hardware-managed P-states) settings. A side effect of it is that if those settings are modified on the boot CPU during system suspend and wakeup, they will never be restored during subsequent system resume. To address this problem, allow cpufreq drivers that don't provide ->target or ->target_index callbacks to use ->suspend and ->resume callbacks and add a ->resume callback to intel_pstate to restore the HWP settings on the CPUs that belong to the given policy. Fixes: 41cfd64cf49fc "Update frequencies of policy->cpus only from ->set_policy()" Tested-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
2016-05-01cxgb3: fix out of bounds readMichal Schmidt
An out of bounds read of 2 bytes was discovered in cxgb3 with KASAN. t3_config_rss() expects both arrays it gets as parameters to have terminators. setup_rss(), the caller, forgets to add a terminator to one of the arrays. Thankfully the iteration in t3_config_rss() stops anyway, but in the last iteration the check for the terminator is an out of bounds read. Add the missing terminator to rspq_map[]. Reported-by: Jan Stancek <jstancek@redhat.com> Signed-off-by: Michal Schmidt <mschmidt@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-01net/smscx5xx: use the device tree for mac addressArnd Bergmann
This takes the MAC address for smsc75xx/smsc95xx USB network devices from a the device tree. This is required to get a usable persistent address on the popular beagleboard, whose hardware designers accidentally forgot that an ethernet device really requires an a MAC address to be functional. The Raspberry Pi also ships smsc9514 without a serial EEPROM, stores the MAC address in ROM accessible via VC4 firmware. The smsc75xx and smsc95xx drivers are just two copies of the same code, so better fix both. [lkundrak@v3.sk: updated to use of_get_property() as per suggestion from Arnd, reworded the message and comments a bit] Tested-by: Lubomir Rintel <lkundrak@v3.sk> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-01virtio: Silence uninitialized variable warningDan Carpenter
Smatch complains that we might not initialize "queue". The issue is callers like setup_vq() from virtio_pci_modern.c where "num" could be something like 2 and "vring_align" is 64. In that case, vring_size() is less than PAGE_SIZE. It won't happen in real life, but we're getting the value of "num" from a register so it's not really possible to tell what value it holds with static analysis. Let's just silence the warning. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2016-04-30Merge branch 'fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal Pull thermal fixes from Eduardo Valentin: "A couple of minor fixes for the thermal subsystem. Specifics in this pull request: - Fixes in hisilicon thermal driver - More fixes of unsigned to int type change in thermal_core.c" * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal: thermal: use %d to print S32 parameters thermal: hisilicon: increase temperature resolution
2016-04-30Drivers: hv: vmbus: Fix signaling logic in hv_need_to_signal_on_read()K. Y. Srinivasan
On the consumer side, we have interrupt driven flow management of the producer. It is sufficient to base the signaling decision on the amount of space that is available to write after the read is complete. The current code samples the previous available space and uses this in making the signaling decision. This state can be stale and is unnecessary. Since the state can be stale, we end up not signaling the host (when we should) and this can result in a hang. Fix this problem by removing the unnecessary check. I would like to thank Arseney Romanenko <arseneyr@microsoft.com> for pointing out this issue. Also, issue a full memory barrier before making the signaling descision to correctly deal with potential reordering of the write (read index) followed by the read of pending_sz. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Tested-by: Dexuan Cui <decui@microsoft.com> Cc: <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-30libnvdimm, pfn: fix memmap reservation sizingDan Williams
When configuring a pfn-device instance to allocate the memmap array it needs to account for the fact that vmemmap_populate_hugepages() allocates struct page blocks in HPAGE_SIZE chunks. We need to align the reserved area size to 2MB otherwise arch_add_memory() runs out of memory while establishing the memmap: WARNING: CPU: 0 PID: 496 at arch/x86/mm/init_64.c:704 arch_add_memory+0xe7/0xf0 [..] Call Trace: [<ffffffff8148bdb3>] dump_stack+0x85/0xc2 [<ffffffff810a749b>] __warn+0xcb/0xf0 [<ffffffff810a75cd>] warn_slowpath_null+0x1d/0x20 [<ffffffff8106a497>] arch_add_memory+0xe7/0xf0 [<ffffffff811d2097>] devm_memremap_pages+0x287/0x450 [<ffffffff811d1ffa>] ? devm_memremap_pages+0x1ea/0x450 [<ffffffffa0000298>] __wrap_devm_memremap_pages+0x58/0x70 [nfit_test_iomap] [<ffffffffa0047a58>] pmem_attach_disk+0x318/0x420 [nd_pmem] [<ffffffffa0047bcf>] nd_pmem_probe+0x6f/0x90 [nd_pmem] [<ffffffffa0009469>] nvdimm_bus_probe+0x69/0x110 [libnvdimm] [..] ndbus0: nd_pmem.probe(pfn3.0) = -12 nd_pmem: probe of pfn3.0 failed with error -12 libndctl: ndctl_pfn_enable: pfn3.0: failed to enable Reported-by: Namratha Kothapalli <namratha.n.kothapalli@intel.com> Cc: <stable@vger.kernel.org> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2016-04-30phy: exynos-mipi-video: Add support for Exynos 5420 and 5433 SoCsMarek Szyprowski
This patch adds support for MIPI DPHYs found in Exynos5420-compatible (5420, 5422 and 5800) and Exynos5433 SoCs. Those SoCs differs from earlier by different offset of MIPI DPHY registers in PMU controllers (Exynos 5420-compatible case) or by moving MIPI DPHY reset registers to separate system register controllers (Exynos 5433 case). In both case also additional 5th PHY (MIPI CSIS 2) has been added. Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2016-04-30phy: exynos-mipi-video: Rewrite handling of phy registersMarek Szyprowski
Controlling Exynos MIPI DPHY is done by handling 2 registers: one for phy reset and one for enabling it. This patch moves definitions of those 2 registers to speparate exynos_mipi_phy_desc structure, which can be defined separately for each PHY for each supported hardware variant. This code rewrite is needed to add support for newer Exynos SoCs, which have MIPI PHY related registers at different offsets or even different register regions. Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2016-04-30phy: exynos-mipi-video: Drop support for direct access to PMUSylwester Nawrocki
There is no need to support access to the PMU through memory ioresource as now access through PMU regmap should only be used. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2016-04-30phy: bcm-ns-usb2: new driver for USB 2.0 PHY on NorthstarRafał Miłecki
Northstar is a family of SoCs used in home routers. They have USB 2.0 and 3.0 controllers with PHYs that need to be properly initialized. This driver provides PHY init support in a generic way and can be bound with an EHCI controller driver. There are (just a few) registers being defined in bcma header. It's because DMU/CRU registers will be also needed in other drivers. We will need them e.g. in PCIe controller/PHY driver and at some point probably in clock driver for BCM53573 chipset. By using include/linux/bcma/ we avoid code duplication. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2016-04-30phy: rockhip-usb: Remove CLK_IS_ROOTStephen Boyd
This flag is a no-op now (see commit 47b0eeb3dc8a "clk: Deprecate CLK_IS_ROOT", 2016-02-02) so remove it. Cc: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2016-04-30phy: phy-mt65xx-usb3: add support for mt2701 platformChunfeng Yun
Add a new OF device ID for mt2701 Some register settings to avoid RX sensitivity level degradation which may arise on mt8173 platform are separated from other platforms. Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2016-04-30phy: rcar-gen3-usb2: add extcon supportYoshihiro Shimoda
This patch adds extcon support for otg related channel. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2016-04-30phy: rcar-gen3-usb2: Add vbus-supply to handle VBUS on/offYoshihiro Shimoda
To handle the VBUS on/off by a regulator driver, this patch adds regulator APIs calling in the driver and description about vbus-supply in the rcar-gen3-phy-usb2.txt. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2016-04-30phy: rcar-gen3-usb2: remove unnecesary struct rcar_gen3_dataYoshihiro Shimoda
Since this driver uses the struct rcar_gen3_data in struct rcar_gen3_chan only, we can remove the rcar_gen3_data. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2016-04-30phy: Add support for NS2 SATA3 PHY in Broadcom SATA3 PHY driverAnup Patel
This patch adds support for Broadcom NS2 SATA3 PHY in existing Broadcom SATA3 PHY driver. Signed-off-by: Anup Patel <anup.patel@broadcom.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2016-04-30gpiolib-acpi: Duplicate con_id string when adding it to the crs lookup listVille Syrjälä
Calling gpiod_get() from a module and then unloading the module leads to an oops due to acpi_can_fallback_to_crs() storing the pointer to the passed 'con_id' string onto acpi_crs_lookup_list. The next guy to come along will then try to access the string but the memory may now be gone with the module. Make a copy of the passed string instead, and store the copy on the list. BUG: unable to handle kernel paging request at ffffffffa03e7855 IP: [<ffffffff81338322>] strcmp+0x12/0x30 PGD 2a07067 PUD 2a08063 PMD 74720067 PTE 0 Oops: 0000 [#1] PREEMPT SMP Modules linked in: i915(+) drm_kms_helper drm intel_gtt snd_hda_codec snd_hda_core i2c_algo_bit syscopya rea sysfillrect sysimgblt fb_sys_fops agpgart snd_soc_sst_bytcr_rt5640 coretemp hwmon intel_rapl intel_soc_dts_thermal punit_atom_debug snd_soc_rt5640 snd_soc_rl6231 serio snd_intel_sst_acpi snd_intel_sst_core video snd_soc_sst_mfld_platf orm snd_soc_sst_match backlight int3402_thermal processor_thermal_device int3403_thermal int3400_thermal acpi_thermal_r el snd_soc_core intel_soc_dts_iosf int340x_thermal_zone snd_compress i2c_hid hid snd_pcm snd_timer snd soundcore evdev sch_fq_codel efivarfs ipv6 autofs4 [last unloaded: drm] CPU: 2 PID: 3064 Comm: modprobe Tainted: G U W 4.6.0-rc3-ffrd-ipvr+ #302 Hardware name: Intel Corp. VALLEYVIEW C0 PLATFORM/BYT-T FFD8, BIOS BLAKFF81.X64.0088.R10.1403240443 FFD8 _X64_R_2014_13_1_00 03/24/2014 task: ffff8800701cd200 ti: ffff880070034000 task.ti: ffff880070034000 RIP: 0010:[<ffffffff81338322>] [<ffffffff81338322>] strcmp+0x12/0x30 RSP: 0000:ffff880070037748 EFLAGS: 00010286 RAX: 0000000080000000 RBX: ffff88007a342800 RCX: 0000000000000006 RDX: 0000000000000006 RSI: ffffffffa054f856 RDI: ffffffffa03e7856 RBP: ffff880070037748 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffffa054f855 R13: ffff88007281cae0 R14: 0000000000000010 R15: ffffffffffffffea FS: 00007faa51447700(0000) GS:ffff880079300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffa03e7855 CR3: 0000000041eba000 CR4: 00000000001006e0 Stack: ffff880070037770 ffffffff8136ad28 ffffffffa054f855 0000000000000000 ffff88007a0a2098 ffff8800700377e8 ffffffff8136852e ffff88007a342800 00000007700377a0 ffff8800700377a0 ffffffff81412442 70672d6c656e6170 Call Trace: [<ffffffff8136ad28>] acpi_can_fallback_to_crs+0x88/0x100 [<ffffffff8136852e>] gpiod_get_index+0x25e/0x310 [<ffffffff81412442>] ? mipi_dsi_attach+0x22/0x30 [<ffffffff813685f2>] gpiod_get+0x12/0x20 [<ffffffffa04fcf41>] intel_dsi_init+0x421/0x480 [i915] [<ffffffffa04d3783>] intel_modeset_init+0x853/0x16b0 [i915] [<ffffffffa0504864>] ? intel_setup_gmbus+0x214/0x260 [i915] [<ffffffffa0510158>] i915_driver_load+0xdc8/0x19b0 [i915] [<ffffffff8160fb53>] ? _raw_spin_unlock_irqrestore+0x43/0x70 [<ffffffffa026b13b>] drm_dev_register+0xab/0xc0 [drm] [<ffffffffa026d7b3>] drm_get_pci_dev+0x93/0x1f0 [drm] [<ffffffff8160fb53>] ? _raw_spin_unlock_irqrestore+0x43/0x70 [<ffffffffa043f1f4>] i915_pci_probe+0x34/0x50 [i915] [<ffffffff81379751>] pci_device_probe+0x91/0x100 [<ffffffff8141a75a>] driver_probe_device+0x20a/0x2d0 [<ffffffff8141a8be>] __driver_attach+0x9e/0xb0 [<ffffffff8141a820>] ? driver_probe_device+0x2d0/0x2d0 [<ffffffff81418439>] bus_for_each_dev+0x69/0xa0 [<ffffffff8141a04e>] driver_attach+0x1e/0x20 [<ffffffff81419c20>] bus_add_driver+0x1c0/0x240 [<ffffffff8141b6d0>] driver_register+0x60/0xe0 [<ffffffff81377d20>] __pci_register_driver+0x60/0x70 [<ffffffffa026d9f4>] drm_pci_init+0xe4/0x110 [drm] [<ffffffff810ce04e>] ? trace_hardirqs_on+0xe/0x10 [<ffffffffa02f1000>] ? 0xffffffffa02f1000 [<ffffffffa02f1094>] i915_init+0x94/0x9b [i915] [<ffffffff810003bb>] do_one_initcall+0x8b/0x1c0 [<ffffffff810eb616>] ? rcu_read_lock_sched_held+0x86/0x90 [<ffffffff811de6d6>] ? kmem_cache_alloc_trace+0x1f6/0x270 [<ffffffff81183826>] do_init_module+0x60/0x1dc [<ffffffff81115a8d>] load_module+0x1d0d/0x2390 [<ffffffff811120b0>] ? __symbol_put+0x70/0x70 [<ffffffff811f41b2>] ? kernel_read_file+0x92/0x120 [<ffffffff811162f4>] SYSC_finit_module+0xa4/0xb0 [<ffffffff8111631e>] SyS_finit_module+0xe/0x10 [<ffffffff81001ff3>] do_syscall_64+0x63/0x350 [<ffffffff816103da>] entry_SYSCALL64_slow_path+0x25/0x25 Code: f7 48 8d 76 01 48 8d 52 01 0f b6 4e ff 84 c9 88 4a ff 75 ed 5d c3 0f 1f 00 55 48 89 e5 eb 04 84 c0 74 18 48 8d 7f 01 48 8d 76 01 <0f> b6 47 ff 3a 46 ff 74 eb 19 c0 83 c8 01 5d c3 31 c0 5d c3 66 RIP [<ffffffff81338322>] strcmp+0x12/0x30 RSP <ffff880070037748> CR2: ffffffffa03e7855 v2: Make the copied con_id const Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Mika Westerberg <mika.westerberg@linux.intel.com> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: stable@vger.kernel.org Fixes: 10cf4899f8af ("gpiolib: tighten up ACPI legacy gpio lookups") Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-29Merge tag 'powerpc-4.6-4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: "A few more powerpc fixes for 4.6: - cxl: Keep IRQ mappings on context teardown from Michael Neuling - cxl: Poll for outstanding IRQs when detaching a context from Michael Neuling - Wire up preadv2 and pwritev2 syscalls from Rui Salvaterra" * tag 'powerpc-4.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc: wire up preadv2 and pwritev2 syscalls cxl: Poll for outstanding IRQs when detaching a context cxl: Keep IRQ mappings on context teardown
2016-04-29Merge tag 'edac_fix_for_4.6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp Pull EDAC fix from Borislav Petkov: "Make sure sb_edac and i7core_edac do not terminate MCE processing on the decoding callchain prematurely" * tag 'edac_fix_for_4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: EDAC: i7core, sb_edac: Don't return NOTIFY_BAD from mce_decoder callback
2016-04-29Merge tag 'pm+acpi-4.6-rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management fixes from Rafael Wysocki: "One revert of a recent cpufreq commit that introduced a regression and a fix for intel_pstate's Turbo Activation Ratio handling code. Specifics: - Revert cpufreq commit that attempted to fix a problem in the ondemand/conservative governor code, but did that incorrectly and introduced another problem instead (Rafael Wysocki). - Fix incorrect decoding of MSR contents related to the Turbo Activation Ratio (TAR) handling in the intel_pstate driver (Srinivas Pandruvada)" * tag 'pm+acpi-4.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq: intel_pstate: Fix processing for turbo activation ratio Revert "cpufreq: governor: Fix negative idle_time when configured with CONFIG_HZ_PERIODIC"
2016-04-29Merge tag 'mmc-v4.6-rc4' of git://git.linaro.org/people/ulf.hansson/mmcLinus Torvalds
Pull MMC fixes from Ulf Hansson: "Here are a two MMC host fixes: - sdhci-acpi: Reduce Baytrail eMMC/SD/SDIO hangs - sunxi: Disable eMMC HS-DDR for Allwinner A80" * tag 'mmc-v4.6-rc4' of git://git.linaro.org/people/ulf.hansson/mmc: mmc: sunxi: Disable eMMC HS-DDR (MMC_CAP_1_8V_DDR) for Allwinner A80 mmc: sdhci-acpi: Reduce Baytrail eMMC/SD/SDIO hangs
2016-04-29Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds
Pull drm fixes from Dave Airlie: "A few fixes all over the place: radeon is probably the biggest standout, it's a fix for screen corruption or hung black outputs so I thought it was worth pulling in. Otherwise some amdgpu power control fixes, some misc vmwgfx fixes, one etnaviv fix, one virtio-gpu fix, two DP MST fixes, and a single TTM fix" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/vmwgfx: Fix order of operation drm/vmwgfx: use vmw_cmd_dx_cid_check for query commands. drm/vmwgfx: Enable SVGA_3D_CMD_DX_SET_PREDICATION drm/amdgpu: disable vm interrupts with vm_fault_stop=2 drm/amdgpu: print a message if ATPX dGPU power control is missing Revert "drm/amdgpu: disable runtime pm on PX laptops without dGPU power control" drm/radeon: fix vertical bars appear on monitor (v2) drm/ttm: fix kref count mess in ttm_bo_move_to_lru_tail drm/virtio: send vblank event after crtc updates drm/dp/mst: Restore primary hub guid on resume drm/dp/mst: Get validated port ref in drm_dp_update_payload_part1() drm/etnaviv: don't move linear memory window on 3D cores without MC2.0
2016-04-29Merge tag 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma Pull rdma fixes from Doug Ledford: "Final set of -rc fixes for 4.6. I've collected up a number of patches that are all pretty small with the exception of only a couple. The hfi1 driver has a number of important patches, and it is what really drives the line count of this pull request up. These are all small and I've got this kernel built and running in the test lab (I have most of the hardware, I think nes is the only thing in this patch set that I can't say I've personally tested and have up and running). Summary: - A number of collected fixes for oopses, memory corruptions, deadlocks, etc. All of these fixes are small (many only 5-10 lines), obvious, and tested. - Fix for the security issue related to the use of write for bi-directional communications" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: RDMA/nes: don't leak skb if carrier down IB/security: Restrict use of the write() interface IB/hfi1: Use kernel default llseek for ui device IB/hfi1: Don't attempt to free resources if initialization failed IB/hfi1: Fix missing lock/unlock in verbs drain callback IB/rdmavt: Fix send scheduling IB/hfi1: Prevent unpinning of wrong pages IB/hfi1: Fix deadlock caused by locking with wrong scope IB/hfi1: Prevent NULL pointer deferences in caching code MAINTAINERS: Update iser/isert maintainer contact info IB/mlx5: Expose correct max_sge_rd limit RDMA/iw_cxgb4: Fix bar2 virt addr calculation for T4 chips iw_cxgb4: handle draining an idle qp iw_cxgb3: initialize ibdev.iwcm->ifname for port mapping iw_cxgb4: initialize ibdev.iwcm->ifname for port mapping IB/core: Don't drain non-existent rq queue-pair IB/core: Fix oops in ib_cache_gid_set_default_gid
2016-04-29USB: EHCI: make all debugging depend on CONFIG_DYNAMIC_DEBUGAlan Stern
The debugging facilities in ehci-dbg.c follow an uneven pattern. Some of them are protected by "#ifdef CONFIG_DYNAMIC_DEBUG" and some aren't, presumably in the hope of having some of the debugging output available in any configuration. This leads to build problems when dynamic debugging isn't configured. Rather than try to keep this complicated state of affairs, let's just make everything dependent on CONFIG_DYNAMIC_DEBUG. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Tested-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-29usb: usbip: Avoid NULL pointer dereference in case of errorKrzysztof Opasiak
One line above we have checked that udc is NULL so we shouldn't dereference it while printing error message. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-29usbip: vudc: make dev_desc attribute binaryIgor Kotrasinski
We read a struct usb_device_descriptor from it, so make it an actual binary attribute. Signed-off-by: Igor Kotrasinski <i.kotrasinsk@gmail.com> Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com> Tested-by: Krzysztof Opasiak <k.opasiak@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-29usb: Add driver for UCSIHeikki Krogerus
USB Type-C Connector System Software Interface (UCSI) is specification that defines the registers and data structures that can be used to control USB Type-C ports on a system. UCSI is used on several Intel Broxton SoC based platforms. Things that UCSI can be used to control include at least USB Data Role swapping, Power Role swapping and controlling of Alternate Modes on top of providing general details about the port and the partners that are attached to it. The initial purpose of the UCSI driver is to make sure USB is in host mode on desktop and server systems that are USB dual role capable, and provide UCSI interface. The goal is to integrate the driver later to an USB Type-C framework for Linux kernel, and at the same time add support for more extensive USB Type-C port control that UCSI offers, for example data role swapping, power role swapping, Alternate Mode control etc. The UCSI specification is public can be obtained from here: http://www.intel.com/content/www/us/en/io/universal-serial-bus/usb-type-c-ucsi-spec.html Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-29Merge tag 'usb-serial-4.6-rc6' of ↵Greg Kroah-Hartman
git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus Johan writes: USB-serial fixes for v4.6-rc6 Here are some new device ids. Signed-off-by: Johan Hovold <johan@kernel.org>
2016-04-29raid5: delete unnecessary warnningShaohua Li
If device has R5_LOCKED set, it's legit device has R5_SkipCopy set and page != orig_page. After R5_LOCKED is clear, handle_stripe_clean_event will clear the SkipCopy flag and set page to orig_page. So the warning is unnecessary. Reported-by: Joey Liao <joeyliao@qnap.com> Signed-off-by: Shaohua Li <shli@fb.com>