vxlan: avoid using stale vxlan socket.
authorpravin shelar <pshelar@ovn.org>
Fri, 28 Oct 2016 16:59:15 +0000 (09:59 -0700)
committerDavid S. Miller <davem@davemloft.net>
Sun, 30 Oct 2016 00:56:31 +0000 (20:56 -0400)
commitc6fcc4fc5f8b592600c7409e769ab68da0fb1eca
tree4fafb69c92e2169209dfb66452b7d92e8abfb11c
parent087892d29b75c025086d99b29d385a3dac0169fc
vxlan: avoid using stale vxlan socket.

When vxlan device is closed vxlan socket is freed. This
operation can race with vxlan-xmit function which
dereferences vxlan socket. Following patch uses RCU
mechanism to avoid this situation.

Signed-off-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/vxlan.c
include/net/vxlan.h