diff options
| author | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2011-07-03 22:34:29 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-07-03 22:34:29 -0700 |
| commit | 2fb83cd618be34546fb526a9051eceaa95517026 (patch) | |
| tree | 7dc2bafe07f20d8615a6d036bd8167c6d73a7e8c | |
| parent | 60b677034fcb3e48ffa30d638b09ac925afb4b36 (diff) | |
natsemi: silence dma-debug warnings
This silences dma-debug warnings:
https://lkml.org/lkml/2011/6/30/341
------------[ cut here ]------------
WARNING: at /home/jimc/projects/lx/linux-2.6/lib/dma-debug.c:820
check_unmap+0x1fe/0x56a()
natsemi 0000:00:06.0: DMA-API: device driver frees DMA memory with
different size [device address=0x0000000006ef0040] [map size=1538
bytes] [unmap size=1522 bytes]
Modules linked in: pc8736x_gpio pc87360 hwmon_vid scx200_gpio nsc_gpio
scx200_hrt scx200_acb i2c_core arc4 rtl8180 mac80211 eeprom_93cx6
cfg80211 pcspkr rfkill scx200 ide_gd_mod ide_pci_generic ohci_hcd
usbcore sc1200 ide_core
Pid: 870, comm: collector Not tainted 3.0.0-rc5-sk-00080-gca56a95 #1
Call Trace:
[<c011a556>] warn_slowpath_common+0x4a/0x5f
[<c02565cb>] ? check_unmap+0x1fe/0x56a
[<c011a5cf>] warn_slowpath_fmt+0x26/0x2a
[<c02565cb>] check_unmap+0x1fe/0x56a
[<c0256aaa>] debug_dma_unmap_page+0x53/0x5b
[<c029d6cd>] pci_unmap_single+0x4d/0x57
[<c029ea0a>] natsemi_poll+0x343/0x5ca
[<c0116f41>] ? try_to_wake_up+0xea/0xfc
[<c0122416>] ? spin_unlock_irq.clone.28+0x18/0x23
[<c02d4667>] net_rx_action+0x3f/0xe5
[<c011e35e>] __do_softirq+0x5b/0xd1
[<c011e303>] ? local_bh_enable+0xa/0xa
<IRQ> [<c011e54b>] ? irq_exit+0x34/0x75
[<c01034b9>] ? do_IRQ+0x66/0x79
[<c034e869>] ? common_interrupt+0x29/0x30
[<c0115ed0>] ? finish_task_switch.clone.118+0x31/0x72
[<c034cb92>] ? schedule+0x3b2/0x3f1
[<c012f4b0>] ? hrtimer_start_range_ns+0x10/0x12
[<c012f4ce>] ? hrtimer_start_expires+0x1c/0x24
[<c034d5aa>] ? schedule_hrtimeout_range_clock+0x8e/0xb4
[<c012ed27>] ? update_rmtp+0x68/0x68
[<c034d5da>] ? schedule_hrtimeout_range+0xa/0xc
[<c017a913>] ? poll_schedule_timeout+0x27/0x3e
[<c017b051>] ? do_select+0x488/0x4cd
[<c0115ee2>] ? finish_task_switch.clone.118+0x43/0x72
[<c01157ad>] ? need_resched+0x14/0x1e
[<c017a99e>] ? poll_freewait+0x74/0x74
[<c01157ad>] ? need_resched+0x14/0x1e
[<c034cbc1>] ? schedule+0x3e1/0x3f1
[<c011e55e>] ? irq_exit+0x47/0x75
[<c01157ad>] ? need_resched+0x14/0x1e
[<c034cf8a>] ? preempt_schedule_irq+0x44/0x4a
[<c034dd1e>] ? need_resched+0x17/0x19
[<c024bc12>] ? put_dec_full+0x7b/0xaa
[<c0240060>] ? blkdev_ioctl+0x434/0x618
[<c024bc70>] ? put_dec+0x2f/0x6d
[<c024c6a5>] ? number.clone.1+0x10b/0x1d0
[<c034cf8a>] ? preempt_schedule_irq+0x44/0x4a
[<c034dd1e>] ? need_resched+0x17/0x19
[<c024d046>] ? vsnprintf+0x225/0x264
[<c024cea0>] ? vsnprintf+0x7f/0x264
[<c018346f>] ? seq_printf+0x22/0x40
[<c01a2fcc>] ? do_task_stat+0x582/0x5a3
[<c017a913>] ? poll_schedule_timeout+0x27/0x3e
[<c017b1b5>] ? core_sys_select+0x11f/0x1a3
[<c017a913>] ? poll_schedule_timeout+0x27/0x3e
[<c01a34a1>] ? proc_tgid_stat+0xd/0xf
[<c012357c>] ? recalc_sigpending+0x32/0x35
[<c0123b9c>] ? __set_task_blocked+0x64/0x6a
[<c011dfb0>] ? timespec_add_safe+0x24/0x48
[<c0123449>] ? spin_unlock_irq.clone.16+0x18/0x23
[<c017b3a1>] ? sys_pselect6+0xe5/0x13e
[<c034dd65>] ? syscall_call+0x7/0xb
[<c0340000>] ? rpc_clntdir_depopulate+0x26/0x30
---[ end trace 180dcac41a50938b ]---
Reported-by: Jim Cromie <jim.cromie@gmail.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Tested-by: Jim Cromie <jim.cromie@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/natsemi.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/natsemi.c b/drivers/net/natsemi.c index b78be088c4ad..8f8b65af9ed5 100644 --- a/drivers/net/natsemi.c +++ b/drivers/net/natsemi.c @@ -2360,7 +2360,8 @@ static void netdev_rx(struct net_device *dev, int *work_done, int work_to_do) PCI_DMA_FROMDEVICE); } else { pci_unmap_single(np->pci_dev, np->rx_dma[entry], - buflen, PCI_DMA_FROMDEVICE); + buflen + NATSEMI_PADDING, + PCI_DMA_FROMDEVICE); skb_put(skb = np->rx_skbuff[entry], pkt_len); np->rx_skbuff[entry] = NULL; } |