From: Jan Kara <jack@suse.cz>
Date: Tue, 21 Oct 2014 12:07:33 +0000 (+0200)
Subject: f2fs: avoid returning uninitialized value to userspace from f2fs_trim_fs()
X-Git-Tag: omap-for-v3.20/drop-legacy-3517~143^2~60
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9bd27ae4aafc9bfee6c8791f7d801ea16cc5622b;p=pandora-kernel.git

f2fs: avoid returning uninitialized value to userspace from f2fs_trim_fs()

If user specifies too low end sector for trimming, f2fs_trim_fs() will
use uninitialized value as a number of trimmed blocks and returns it to
userspace. Initialize number of trimmed blocks early to avoid the
problem.

Coverity-id: 1248809
CC: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---

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