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

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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>
This commit is contained in:
Chad Dupuis 2012-02-09 11:14:04 -08:00 • committed by James Bottomley
parent a55aac79de
commit aa651be83d
1 changed files with 6 additions and 0 deletions
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6
drivers/scsi/qla2xxx/qla_os.c
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@ -625,6 +625,12 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
cmd->result = DID_NO_CONNECT << 16; cmd->result = DID_NO_CONNECT << 16;
goto qc24_fail_command; 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_ONLINE) {
if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
atomic_read(&base_vha->loop_state) == LOOP_DEAD) { atomic_read(&base_vha->loop_state) == LOOP_DEAD) {