Commit de74e92a authored Jun 10, 2012 by danborkmann@iogearbox.net Committed by David S. Miller Jun 11, 2012

af_packet: use sizeof instead of constant in spkt_device



This small patch removes access to the last element of the spkt_device
array through a constant. Instead, it is accessed by sizeof() to respect
possible changes in if_packet.h.

Signed-off-by: Daniel Borkmann <daniel.borkmann@tik.ee.ethz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 55afabaa

net/packet/af_packet.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1475,7 +1475,7 @@ static int packet_sendmsg_spkt(struct kiocb iocb, struct socket sock,
		* Find the device first to size check it
		*/

		saddr->spkt_device[13] = 0;
		saddr->spkt_device[sizeof(saddr->spkt_device) - 1] = 0;
		retry:
		rcu_read_lock();
		dev = dev_get_by_name_rcu(sock_net(sk), saddr->spkt_device);