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-rw-r--r--net/x25/x25_in.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/x25/x25_in.c b/net/x25/x25_in.c
index 63178961efac..f729f022be69 100644
--- a/net/x25/x25_in.c
+++ b/net/x25/x25_in.c
@@ -119,6 +119,8 @@ static int x25_state1_machine(struct sock *sk, struct sk_buff *skb, int frametyp
&x25->vc_facil_mask);
if (len > 0)
skb_pull(skb, len);
+ else
+ return -1;
/*
* Copy any Call User Data.
*/