From: Pan Bian
Date: Sun, 23 Apr 2017 14:28:37 +0800
> Function nla_nest_start() may return a NULL pointer on error. However,
> in function lwtunnel_fill_encap(), the return value of nla_nest_start()
> is not validated before it is used. This patch checks the return value
> of nla_nest_start() ag
Function nla_nest_start() may return a NULL pointer on error. However,
in function lwtunnel_fill_encap(), the return value of nla_nest_start()
is not validated before it is used. This patch checks the return value
of nla_nest_start() against NULL.
Signed-off-by: Pan Bian
---
net/core/lwtunnel.c
