scsi: qla2xxx: Fix a locking imbalance in qlt_24xx_handle_els()
authorBart Van Assche <bart.vanassche@wdc.com>
Wed, 24 Jan 2018 00:33:46 +0000 (16:33 -0800)
committerMartin K. Petersen <martin.petersen@oracle.com>
Tue, 6 Feb 2018 23:11:58 +0000 (18:11 -0500)
Ensure that upon return the tgt->ha->tgt.sess_lock spin lock is unlocked
no matter which code path is taken through this function.  This was
detected by sparse.

Fixes: 82abdcaf3ede ("scsi: qla2xxx: Allow target mode to accept PRLI in dual mode")
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Himanshu Madhani <himanshu.madhani@cavium.com>
Cc: Quinn Tran <quinn.tran@cavium.com>
Acked-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/qla2xxx/qla_target.c

index fc89af8..896b2d8 100644 (file)
@@ -4871,8 +4871,6 @@ static int qlt_24xx_handle_els(struct scsi_qla_host *vha,
                                    sess);
                                qlt_send_term_imm_notif(vha, iocb, 1);
                                res = 0;
-                               spin_lock_irqsave(&tgt->ha->tgt.sess_lock,
-                                   flags);
                                break;
                        }