linux-kernel - [GIT PULL] SCSI fixes for 3.19-rc2

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Date:	Fri, 09 Jan 2015 12:14:03 -0800
From:	James Bottomley <James.Bottomley@...senPartnership.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	linux-scsi <linux-scsi@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] SCSI fixes for 3.19-rc2

Just one fix: a qlogic busy wait regression.

The patch is available here:

git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git scsi-fixes

The short changelog is:

Bruno Prémont (1):
      qla2xxx: fix busy wait regression

And the diffstat:

 drivers/scsi/qla2xxx/qla_os.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

With full diff below.

James

---

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 12ca291..cce1cbc 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -734,7 +734,9 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
 	 * Return target busy if we've received a non-zero retry_delay_timer
 	 * in a FCP_RSP.
 	 */
-	if (time_after(jiffies, fcport->retry_delay_timestamp))
+	if (fcport->retry_delay_timestamp == 0) {
+		/* retry delay not set */
+	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
 		fcport->retry_delay_timestamp = 0;
 	else
 		goto qc24_target_busy;


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