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authorAlexandra Winter <wintera@linux.ibm.com>2022-05-10 09:05:08 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-05-18 09:18:06 +0200
commitc555d4827af4ecd093c9602e3af6ce8a8863638d (patch)
tree9104649c5c394c20c6070413c4da96a9521d30ba /drivers/s390/net/lcs.c
parentd886b4292a1c5b4facdb2dfdc31f0fecc71df898 (diff)
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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>
Diffstat (limited to 'drivers/s390/net/lcs.c')
-rw-r--r--drivers/s390/net/lcs.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index d01b5c2a7760..da4d7284db67 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -1757,10 +1757,11 @@ 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");