scsi: elx: efct: Do not use id uninitialized in efct_lio_setup_session()
authorNathan Chancellor <nathan@kernel.org>
Thu, 17 Jun 2021 06:17:21 +0000 (23:17 -0700)
committerMartin K. Petersen <martin.petersen@oracle.com>
Sat, 19 Jun 2021 03:01:04 +0000 (23:01 -0400)
clang warns:

drivers/scsi/elx/efct/efct_lio.c:1216:24: warning: variable 'id' is
uninitialized when used here [-Wuninitialized]
                      se_sess, node, id);
                                     ^~

Shuffle the debug print after id's initialization so that the actual value
is printed.

Link: https://github.com/ClangBuiltLinux/linux/issues/1397
Link: https://lore.kernel.org/r/20210617061721.2405511-1-nathan@kernel.org
Fixes: 692e5d73a811 ("scsi: elx: efct: LIO backend interface routines")
Reviewed-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/elx/efct/efct_lio.c

index e1bab2b17e4dc0819c2bc23f2ae00dba39c6a127..b7d69ff29c09b78f0a9ba7fa2c4f6c2d921fed5b 100644 (file)
@@ -1212,12 +1212,12 @@ static void efct_lio_setup_session(struct work_struct *work)
                return;
        }
 
-       efc_log_debug(efct, "new initiator sess=%p node=%p id: %llx\n",
-                     se_sess, node, id);
-
        tgt_node = node->tgt_node;
        id = (u64) tgt_node->port_fc_id << 32 | tgt_node->node_fc_id;
 
+       efc_log_debug(efct, "new initiator sess=%p node=%p id: %llx\n",
+                     se_sess, node, id);
+
        if (xa_err(xa_store(&efct->lookup, id, tgt_node, GFP_KERNEL)))
                efc_log_err(efct, "Node lookup store failed\n");