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authorThomas Graf <tgraf@suug.ch>2005-06-18 22:51:26 -0700
committerDavid S. Miller <davem@davemloft.net>2005-06-18 22:51:26 -0700
commitc52a3f89f882b84fc422000655c023fe73e701cf (patch)
tree25069c0f52b19bc0ffef80aa0cb41193e0a483f6 /include/linux/rtnetlink.h
parent88121aea7bdb5fdc527388e262381829c4e1db16 (diff)
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[NETLINK]: Fix RTA_NEST_CANCEL().
Only skb_trim() if 'start' is non-NULL. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/rtnetlink.h')
-rw-r--r--include/linux/rtnetlink.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 5a5cda1..6fff8c4 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -924,7 +924,8 @@ extern void __rta_fill(struct sk_buff *skb, int attrtype, int attrlen, const voi
(skb)->len; })
#define RTA_NEST_CANCEL(skb, start) \
-({ skb_trim(skb, (unsigned char *) (start) - (skb)->data); \
+({ if (start) \
+ skb_trim(skb, (unsigned char *) (start) - (skb)->data); \
-1; })
#define RTA_GET_U32(rta) \