Commit 38db9e1d authored Jan 28, 2011 by Julia Lawall Committed by David S. Miller Feb 03, 2011

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 <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent e2d57766

include/net/genetlink.h

+2 −1

Original line number	Diff line number	Diff line
		@@ -195,6 +195,7 @@ static inline int genlmsg_end(struct sk_buff skb, void hdr)
		*/
		static inline void genlmsg_cancel(struct sk_buff skb, void hdr)
		{
		if (hdr)
		nlmsg_cancel(skb, hdr - GENL_HDRLEN - NLMSG_HDRLEN);
		}