Commit c9fd56b3 authored Aug 28, 2015 by Nikolay Aleksandrov Committed by David S. Miller Aug 28, 2015

netpoll: warn on netpoll_send_udp users who haven't disabled irqs



Make sure we catch future netpoll_send_udp users who use it without
disabling irqs and also as a hint for poll_controller users.

Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 55cc0519

net/core/netpoll.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -380,6 +380,8 @@ void netpoll_send_udp(struct netpoll np, const char msg, int len)
		static atomic_t ip_ident;
		struct ipv6hdr *ip6h;

		WARN_ON_ONCE(!irqs_disabled());

		udp_len = len + sizeof(*udph);
		if (np->ipv6)
		ip_len = udp_len + sizeof(*ip6h);