qla2xxx: Fix warning reported by static checker

Himanshu Madhani · Nicholas Bellinger · commit dacb58221805 · 2016-01-29T19:29:59.000-08:00
This patch fixes following warning

drivers/scsi/qla2xxx/qla_target.c:3587 qlt_do_ctio_completion()
warn: impossible condition '(logged_out == 41) =&gt; (0-1 == 41)'

drivers/scsi/qla2xxx/qla_target.c
 3580                  case CTIO_PORT_LOGGED_OUT:
 3581                  case CTIO_PORT_UNAVAILABLE:
 3582                  {
 3583                          bool logged_out = (status &amp; 0xFFFF);
 3584                          ql_dbg(ql_dbg_tgt_mgt, vha, 0xf059,
 3585                              "qla_target(%d): CTIO with %s status %x "
 3586                              "received (state %x, se_cmd %p)\n", vha-&gt;vp_idx,
 3587                              (logged_out == CTIO_PORT_LOGGED_OUT) ?
                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                                    Bool cannot equal 0x26.
 3588                              "PORT LOGGED OUT" : "PORT UNAVAILABLE",

Reported-by: Dan Carpenter &lt;dan.carpenter@oracle.com&gt;
Signed-off-by: Himanshu Madhani &lt;himanshu.madhani@qlogic.com&gt;
Signed-off-by: Giridhar Malavali &lt;giridhar.malavali@qlogic.com&gt;
Signed-off-by: Nicholas Bellinger &lt;nab@linux-iscsi.org&gt;
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
@@ -3580,12 +3580,13 @@ static void qlt_do_ctio_completion(struct scsi_qla_host *vha, uint32_t handle,
 		case CTIO_PORT_LOGGED_OUT:
 		case CTIO_PORT_UNAVAILABLE:
 		{
-			int logged_out = (status & 0xFFFF);
+			int logged_out =
+				(status & 0xFFFF) == CTIO_PORT_LOGGED_OUT;
+
 			ql_dbg(ql_dbg_tgt_mgt, vha, 0xf059,
 			    "qla_target(%d): CTIO with %s status %x "
 			    "received (state %x, se_cmd %p)\n", vha->vp_idx,
-			    (logged_out == CTIO_PORT_LOGGED_OUT) ?
-			    "PORT LOGGED OUT" : "PORT UNAVAILABLE",
+			    logged_out ? "PORT LOGGED OUT" : "PORT UNAVAILABLE",
 			    status, cmd->state, se_cmd);
 
 			if (logged_out && cmd->sess) {
