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

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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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Jan Kara 2014-10-21 14:07:33 +02:00 • committed by Jaegeuk Kim

parent d64948a4df

commit 9bd27ae4aa

1 changed files with 1 additions and 1 deletions

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fs/f2fs/segment.c

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