Messages in this thread | | | Date | Wed, 30 Oct 2013 11:24:30 +0900 | From | Minchan Kim <> | Subject | Re: [PATCH v7 1/3] Staging: zram: Fix access of NULL pointer |
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On Wed, Oct 30, 2013 at 04:40:54AM +0530, Rashika Kheria wrote: > This patch fixes the bug in reset_store caused by accessing NULL pointer. > > The bdev gets its value from bdget_disk() which could fail when memory > pressure is severe and hence can return NULL because allocation of > inode in bdget could fail. > > Hence, this patch introduces a check for bdev to prevent reference to a > NULL pointer in the later part of the code. It also removes unnecessary > check of bdev for fsync_bdev(). > > Cc: stable@vger.kernel.org > Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com> Acked-by: Minchan Kim <minchan@kernel.org>
-- Kind regards, Minchan Kim
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