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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>
This commit is contained in:
Nikolay Aleksandrov 2015-08-28 15:44:25 -07:00 committed by David S. Miller
parent 55cc051915
commit c9fd56b34e
1 changed files with 2 additions and 0 deletions
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2
net/core/netpoll.c
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@ -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);