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(parent: 46d1d42) | patch
hvc_xen: NULL dereference on allocation failure
authorDan Carpenter <dan.carpenter@oracle.com>
Tue, 15 May 2012 08:47:47 +0000 (11:47 +0300)
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Mon, 21 May 2012 15:03:29 +0000 (11:03 -0400)
commitdf5b4b2d79001e855ef9c1b21957d11605e9ecd8
treeff5f609f12d6cc69e5ffec1ca971bbcb36694776tree | snapshot
parent46d1d42d39224c5ec3f41031ba321f24610906d9commit | diff
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>
drivers/tty/hvc/hvc_xen.c diff | blob | history
Linux Kernel Source Tree.