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authorJulia Lawall <Julia.Lawall@lip6.fr>2015-12-20 12:15:52 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2015-12-30 10:34:13 +0100
commit8cb708f3d35e78f00528caf2f681900d2c7883b8 (patch)
tree0f85dd1a1582d9a2db90cf1732f8817038bc5ac1 /drivers/s390
parent11b64c8acca05d7e50a873e0e8758b75d6d6650f (diff)
s390/cio: add NULL test
Add NULL test on call to kzalloc. The semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression x; identifier fld; @@ * x = kzalloc(...); ... when != x == NULL x->fld // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/char/con3215.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 0fc3fe5fd5b8..7d82bbcb12df 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -922,6 +922,8 @@ static int __init con3215_init(void)
spin_lock_init(&raw3215_freelist_lock);
for (i = 0; i < NR_3215_REQ; i++) {
req = kzalloc(sizeof(struct raw3215_req), GFP_KERNEL | GFP_DMA);
+ if (!req)
+ return -ENOMEM;
req->next = raw3215_freelist;
raw3215_freelist = req;
}