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Diffstat (limited to 'net/caif/cfserl.c')
-rw-r--r--net/caif/cfserl.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/net/caif/cfserl.c b/net/caif/cfserl.c
index 06029ea2da2..965c5baace4 100644
--- a/net/caif/cfserl.c
+++ b/net/caif/cfserl.c
@@ -59,14 +59,18 @@ static int cfserl_receive(struct cflayer *l, struct cfpkt *newpkt)
u8 stx = CFSERL_STX;
int ret;
u16 expectlen = 0;
+
caif_assert(newpkt != NULL);
spin_lock(&layr->sync);
if (layr->incomplete_frm != NULL) {
-
layr->incomplete_frm =
cfpkt_append(layr->incomplete_frm, newpkt, expectlen);
pkt = layr->incomplete_frm;
+ if (pkt == NULL) {
+ spin_unlock(&layr->sync);
+ return -ENOMEM;
+ }
} else {
pkt = newpkt;
}
@@ -154,7 +158,6 @@ static int cfserl_receive(struct cflayer *l, struct cfpkt *newpkt)
if (layr->usestx) {
if (tail_pkt != NULL)
pkt = cfpkt_append(pkt, tail_pkt, 0);
-
/* Start search for next STX if frame failed */
continue;
} else {