ISDN: Fix up missed return value

Spotted by Joe Perches.

ISDN: Fix up missed return value
Spotted by Joe Perches.
dd7bd3d3 · Kai Germaschewski · 6a3354a9 · dd7bd3d3
Commit dd7bd3d3 authored Jan 25, 2003 by Kai Germaschewski
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drivers/isdn/i4l/isdn_ppp.c drivers/isdn/i4l/isdn_ppp.c +1 -1

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--- a/drivers/isdn/i4l/isdn_ppp.c
+++ b/drivers/isdn/i4l/isdn_ppp.c
@@ -867,7 +867,7 @@ isdn_ppp_strip_proto(struct sk_buff *skb, u16 *proto)
 		skb_pull(skb, 1);
 	} else {
 		if (skb->len < 2)
-			return -1;
+			return -EINVAL;
 		get_u16(skb->data, proto);
 		skb_pull(skb, 2);
 	}