scsi: snic: Replace spin_is_locked() with lockdep

lockdep_assert_held() is better suited to checking locking requirements, since
it won't get confused when someone else holds the lock. This is also a step
towards possibly removing spin_is_locked().

Signed-off-by: Lance Roy <ldr709@gmail.com>
Cc: Karan Tilak Kumar <kartilak@cisco.com>
Cc: Sesidhar Baddela <sebaddel@cisco.com>
Cc: "James E.J. Bottomley" <jejb@linux.vnet.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: <linux-scsi@vger.kernel.org>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/snic/snic_scsi.c

@@ -2001,7 +2001,7 @@ snic_dr_finish(struct snic *snic, struct scsi_cmnd *sc)
 	}
 
 dr_failed:
-	SNIC_BUG_ON(!spin_is_locked(io_lock));
+	lockdep_assert_held(io_lock);
 	if (rqi)
 		CMD_SP(sc) = NULL;
 	spin_unlock_irqrestore(io_lock, flags);
@@ -2604,7 +2604,7 @@ snic_internal_abort_io(struct snic *snic, struct scsi_cmnd *sc, int tmf)
 	ret = SUCCESS;
 
 skip_internal_abts:
-	SNIC_BUG_ON(!spin_is_locked(io_lock));
+	lockdep_assert_held(io_lock);
 	spin_unlock_irqrestore(io_lock, flags);
 
 	return ret;