tree ff5f609f12d6cc69e5ffec1ca971bbcb36694776
parent d79d5959a023fd637e90ed1ff6547ff09d19396b
author Dan Carpenter <dan.carpenter@oracle.com> 1337071667 +0300
committer Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 1337612609 -0400

hvc_xen: NULL dereference on allocation failure

If kzalloc() returns a NULL here, we pass a NULL to
xencons_disconnect_backend() which will cause an Oops.

Also I removed the __GFP_ZERO while I was at it since kzalloc() implies
__GFP_ZERO.

CC: stable@kernel.org
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>