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ext4: fix possible memory leak in ext4_remount()

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'orig_data' is malloced in ext4_remount() and should be freed
before leaving from the error handling cases, otherwise it will
cause memory leak.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Lukas Czerner <lczerner@redhat.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Wei Yongjun 2013-03-02 17:13:55 -05:00 committed by Theodore Ts'o
parent df05c1b85a
commit 3e36a16375
1 changed files with 1 additions and 0 deletions
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1
fs/ext4/super.c
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@ -4543,6 +4543,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
if (!old_opts.s_qf_names[i]) {
for (j = 0; j < i; j++)
kfree(old_opts.s_qf_names[j]);
kfree(orig_data);
return -ENOMEM;
}
} else