From: Ed Lin <ed.lin@promise.com>
Date: Tue, 5 Dec 2006 01:49:31 +0000 (-0800)
Subject: [SCSI] stex: add value check in hard reset routine
X-Git-Tag: v2.6.20-rc1~34^2~20^2~41^2~6
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=47c4f997c7bd9ab142c65950317232728b921aa0;p=linux-2.6

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

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

Signed-off-by: Ed Lin <ed.lin@promise.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
---

diff --git a/drivers/scsi/stex.c b/drivers/scsi/stex.c
index ea0d824613..92dbac03c2 100644
--- a/drivers/scsi/stex.c
+++ b/drivers/scsi/stex.c
@@ -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);
 	}