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[SCSI] stex: add value check in hard reset routine

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During hard reset, an all-1 value from PCI_COMMAND should be invalid.

Signed-off-by: Ed Lin <[email protected]>
Signed-off-by: James Bottomley <[email protected]>
This commit is contained in:
Ed Lin 2006-12-04 17:49:31 -08:00 • committed by James Bottomley
commit 47c4f997c7
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/stex.c
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@ -1041,7 +1041,7 @@ static void stex_hard_reset(struct st_hba *hba)
for (i = 0; i < MU_MAX_DELAY_TIME; i++) {
pci_read_config_word(hba->pdev, PCI_COMMAND, &pci_cmd);
if (pci_cmd & PCI_COMMAND_MASTER)
if (pci_cmd != 0xffff && (pci_cmd & PCI_COMMAND_MASTER))
break;
msleep(1);
}