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-rw-r--r--net/caif/chnl_net.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c
index 69771c04ba8f..e597733affb8 100644
--- a/net/caif/chnl_net.c
+++ b/net/caif/chnl_net.c
@@ -94,6 +94,10 @@ static int chnl_recv_cb(struct cflayer *layr, struct cfpkt *pkt)
/* check the version of IP */
ip_version = skb_header_pointer(skb, 0, 1, &buf);
+ if (!ip_version) {
+ kfree_skb(skb);
+ return -EINVAL;
+ }
switch (*ip_version >> 4) {
case 4:

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