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path: root/drivers/scsi/mpt2sas/mpt2sas_base.c
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Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_base.c')
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_base.c40
1 files changed, 23 insertions, 17 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index ccd6d5a97ec3..3901edc35812 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -3,7 +3,7 @@
* for access to MPT (Message Passing Technology) firmware.
*
* This code is based on drivers/scsi/mpt2sas/mpt2_base.c
- * Copyright (C) 2007-2012 LSI Corporation
+ * Copyright (C) 2007-2013 LSI Corporation
* (mailto:DL-MPTFusionLinux@lsi.com)
*
* This program is free software; you can redistribute it and/or
@@ -768,10 +768,9 @@ mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
* @msix_index: MSIX table index supplied by the OS
* @reply: reply message frame(lower 32bit addr)
*
- * Return 1 meaning mf should be freed from _base_interrupt
- * 0 means the mf is freed from this function.
+ * Returns void.
*/
-static u8
+static void
_base_async_event(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, u32 reply)
{
Mpi2EventNotificationReply_t *mpi_reply;
@@ -780,9 +779,9 @@ _base_async_event(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, u32 reply)
mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
if (!mpi_reply)
- return 1;
+ return;
if (mpi_reply->Function != MPI2_FUNCTION_EVENT_NOTIFICATION)
- return 1;
+ return;
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
_base_display_event_data(ioc, mpi_reply);
#endif
@@ -812,7 +811,7 @@ _base_async_event(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, u32 reply)
/* ctl callback handler */
mpt2sas_ctl_event_callback(ioc, msix_index, reply);
- return 1;
+ return;
}
/**
@@ -1409,8 +1408,6 @@ _base_enable_msix(struct MPT2SAS_ADAPTER *ioc)
int i;
u8 try_msix = 0;
- INIT_LIST_HEAD(&ioc->reply_queue_list);
-
if (msix_disable == -1 || msix_disable == 0)
try_msix = 1;
@@ -1489,6 +1486,7 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
if (pci_enable_device_mem(pdev)) {
printk(MPT2SAS_WARN_FMT "pci_enable_device_mem: "
"failed\n", ioc->name);
+ ioc->bars = 0;
return -ENODEV;
}
@@ -1497,6 +1495,7 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
MPT2SAS_DRIVER_NAME)) {
printk(MPT2SAS_WARN_FMT "pci_request_selected_regions: "
"failed\n", ioc->name);
+ ioc->bars = 0;
r = -ENODEV;
goto out_fail;
}
@@ -4229,18 +4228,25 @@ mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc)
dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
__func__));
- _base_mask_interrupts(ioc);
- ioc->shost_recovery = 1;
- _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET);
- ioc->shost_recovery = 0;
+ if (ioc->chip_phys && ioc->chip) {
+ _base_mask_interrupts(ioc);
+ ioc->shost_recovery = 1;
+ _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET);
+ ioc->shost_recovery = 0;
+ }
+
_base_free_irq(ioc);
_base_disable_msix(ioc);
- if (ioc->chip_phys)
+
+ if (ioc->chip_phys && ioc->chip)
iounmap(ioc->chip);
ioc->chip_phys = 0;
- pci_release_selected_regions(ioc->pdev, ioc->bars);
- pci_disable_pcie_error_reporting(pdev);
- pci_disable_device(pdev);
+
+ if (pci_is_enabled(pdev)) {
+ pci_release_selected_regions(ioc->pdev, ioc->bars);
+ pci_disable_pcie_error_reporting(pdev);
+ pci_disable_device(pdev);
+ }
return;
}