caif: Bugfix - handle mem-allocation failures

[cascardo/linux.git] / net / caif / cfserl.c

diff --git a/net/caif/cfserl.c b/net/caif/cfserl.c
index 06029ea..cb4325a 100644 (file)
--- a/net/caif/cfserl.c
+++ b/net/caif/cfserl.c
@@ -67,6 +67,8 @@ static int cfserl_receive(struct cflayer *l, struct cfpkt *newpkt)
                layr->incomplete_frm =
                    cfpkt_append(layr->incomplete_frm, newpkt, expectlen);
                pkt = layr->incomplete_frm;
+               if (pkt == NULL)
+                       return -ENOMEM;
        } else {
                pkt = newpkt;
        }
@@ -154,7 +156,6 @@ 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 {