net: ipv4: Use PTR_ERR_OR_ZERO
authorSachin Kamat <sachin.kamat@linaro.org>
Mon, 27 Jan 2014 06:43:57 +0000 (12:13 +0530)
committerDavid S. Miller <davem@davemloft.net>
Mon, 27 Jan 2014 20:57:31 +0000 (12:57 -0800)
PTR_RET is deprecated. Use PTR_ERR_OR_ZERO instead. While at it
also include missing err.h header.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/ip_tunnel.c

Simple merge