From: Chad Dupuis <chad.dupuis@qlogic.com>
Date: Thu, 9 Feb 2012 19:14:04 +0000 (-0800)
Subject: [SCSI] qla2xxx: Add check for null fcport references in qla2xxx_queuecommand.
X-Git-Tag: upstream/snapshot3+hdmi~7783^2~251
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=aa651be83dfec5587dabce0a9d471c1e2095c33e;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

[SCSI] qla2xxx: Add check for null fcport references in qla2xxx_queuecommand.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index b4b185c..5fd89d7 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -625,6 +625,12 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
 			cmd->result = DID_NO_CONNECT << 16;
 			goto qc24_fail_command;
 	}
+
+	if (!fcport) {
+		cmd->result = DID_NO_CONNECT << 16;
+		goto qc24_fail_command;
+	}
+
 	if (atomic_read(&fcport->state) != FCS_ONLINE) {
 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {