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Message-ID: <20061011213834.GA20253@havoc.gtf.org>
Date: Wed, 11 Oct 2006 17:38:34 -0400
From: Jeff Garzik <jeff@...zik.org>
To: Eric.Moore@...l.com, linux-scsi@...r.kernel.org,
Andrew Morton <akpm@...l.org>,
LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] MPT fusion: handle PCI layer error on resume
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 <jeff@...zik.org>
---
drivers/message/fusion/mptbase.c | 10 ++++++++--
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index e5c7271..f183b83 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/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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