From: Jeff Garzik <[EMAIL PROTECTED]>
In the unlikely event of pci_enable_device() failure during resume, we do
the minimalist solution and simply exit, rather than continuing to enable
the hardware.
Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
Cc: "Moore, Eric Dean" <[EMAIL PROTECTED]>
Cc: James Bottomley <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
drivers/message/fusion/mptbase.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff -puN
drivers/message/fusion/mptbase.c~mpt-fusion-handle-pci-layer-error-on-resume
drivers/message/fusion/mptbase.c
---
a/drivers/message/fusion/mptbase.c~mpt-fusion-handle-pci-layer-error-on-resume
+++ a/drivers/message/fusion/mptbase.c
@@ -1515,7 +1515,7 @@ mpt_resume(struct pci_dev *pdev)
{
MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
u32 device_state = pdev->current_state;
- int recovery_state;
+ int recovery_state, rc;
printk(MYIOC_s_INFO_FMT
"pci-resume: pdev=0x%p, slot=%s, Previous operating state [D%d]\n",
@@ -1523,7 +1523,13 @@ mpt_resume(struct pci_dev *pdev)
pci_set_power_state(pdev, 0);
pci_restore_state(pdev);
- pci_enable_device(pdev);
+
+ rc = pci_enable_device(pdev);
+ if (rc) {
+ printk(MYIOC_s_INFO_FMT
+ "pci-resume: device enable failed\n", ioc->name);
+ return rc;
+ }
/* enable interrupts */
CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM);
_
-
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