From 38db9e1db1c91c953b2a539130257ce91533c9f6 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Fri, 28 Jan 2011 05:43:40 +0000 Subject: include/net/genetlink.h: Allow genlmsg_cancel to accept a NULL argument nlmsg_cancel can accept NULL as its second argument, so for similarity, this patch extends genlmsg_cancel to be able to accept a NULL second argument as well. Signed-off-by: Julia Lawall Signed-off-by: David S. Miller --- include/net/genetlink.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/net/genetlink.h b/include/net/genetlink.h index 8a64b811a39..b4c7c1cbcf4 100644 --- a/include/net/genetlink.h +++ b/include/net/genetlink.h @@ -195,7 +195,8 @@ static inline int genlmsg_end(struct sk_buff *skb, void *hdr) */ static inline void genlmsg_cancel(struct sk_buff *skb, void *hdr) { - nlmsg_cancel(skb, hdr - GENL_HDRLEN - NLMSG_HDRLEN); + if (hdr) + nlmsg_cancel(skb, hdr - GENL_HDRLEN - NLMSG_HDRLEN); } /** -- cgit v1.2.3-70-g09d2