kexec: fix memory leak in function kimage_normal_alloc
authorZhang Yanfei <zhangyanfei@cn.fujitsu.com>
Thu, 28 Feb 2013 01:03:29 +0000 (17:03 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 28 Feb 2013 03:10:12 +0000 (19:10 -0800)
commitb92e7e0daed31389ff5ad9f558ef1284c846f6ee
tree33ba2fe02e93a4af156f6425ac6dd0c5355b1980
parentfe88f2ee33731f0934e8fb26f762b6715e43ff6f
kexec: fix memory leak in function kimage_normal_alloc

If kimage_normal_alloc() fails to alloc pages for image->swap_page, it
should call kimage_free_page_list() to free allocated pages in
image->control_pages list before it frees image.

Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Sasha Levin <sasha.levin@oracle.com>
Reviewed-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kernel/kexec.c