[NETFILTER]: Fix potential OOPS in ipt_REDIRECT.

5a0d4947 · Bart De Schuymer · David S. Miller · b7ab2e9c · 5a0d4947
Commit 5a0d4947 authored Oct 26, 2003 by Bart De Schuymer Committed by David S. Miller Oct 26, 2003
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net/ipv4/netfilter/ipt_REDIRECT.c net/ipv4/netfilter/ipt_REDIRECT.c +1 -1

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--- a/net/ipv4/netfilter/ipt_REDIRECT.c
+++ b/net/ipv4/netfilter/ipt_REDIRECT.c
@@ -83,7 +83,7 @@ redirect_target(struct sk_buff **pskb,

 		/* Device might not have an associated in_device. */
 		indev = (struct in_device *)(*pskb)->dev->ip_ptr;
-		if (indev == NULL)
+		if (indev == NULL || indev->ifa_list == NULL)
 			return NF_DROP;

 		/* Grab first address on interface. */