s390/lcs: fix variable dereferenced before check

[ Upstream commit 671bb35c8e746439f0ed70815968f9a4f20a8deb ]

smatch complains about
drivers/s390/net/lcs.c:1741 lcs_get_control() warn: variable dereferenced before check 'card->dev' (see line 1739)

Fixes: 27eb5ac8f015 ("[PATCH] s390: lcs driver bug fixes and improvements [1/2]")
Signed-off-by: Alexandra Winter <wintera@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 440219b..06a322b 100644 (file)
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -1735,10 +1735,11 @@ lcs_get_control(struct lcs_card *card, struct lcs_cmd *cmd)
                        lcs_schedule_recovery(card);
                        break;
                case LCS_CMD_STOPLAN:
-                       pr_warn("Stoplan for %s initiated by LGW\n",
-                               card->dev->name);
-                       if (card->dev)
+                       if (card->dev) {
+                               pr_warn("Stoplan for %s initiated by LGW\n",
+                                       card->dev->name);
                                netif_carrier_off(card->dev);
+                       }
                        break;
                default:
                        LCS_DBF_TEXT(5, trace, "noLGWcmd");