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| author | xingaopeng <xingaopeng@huawei.com> | 2018-11-24 19:21:59 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-05 19:32:11 +0100 |
| commit | 1666cf8c492d7a9b8b83e26eb139961a4c137b80 (patch) | |
| tree | 88dcf1f946ad48ad790f24209bde080969c5ea2c /fs/ext2 | |
| parent | 553927d6aab993e1297d0c69274cd0c2df5440ca (diff) | |
| download | linux-stable-1666cf8c492d7a9b8b83e26eb139961a4c137b80.tar.gz linux-stable-1666cf8c492d7a9b8b83e26eb139961a4c137b80.tar.bz2 linux-stable-1666cf8c492d7a9b8b83e26eb139961a4c137b80.zip | |
ext2: initialize opts.s_mount_opt as zero before using it
commit e5f5b717983bccfa033282e9886811635602510e upstream.
We need to initialize opts.s_mount_opt as zero before using it, else we
may get some unexpected mount options.
Fixes: 088519572ca8 ("ext2: Parse mount options into a dedicated structure")
CC: stable@vger.kernel.org
Signed-off-by: xingaopeng <xingaopeng@huawei.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/ext2')
| -rw-r--r-- | fs/ext2/super.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/ext2/super.c b/fs/ext2/super.c index 73bd58fa13de..0c38e31ec938 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -895,6 +895,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) if (sb->s_magic != EXT2_SUPER_MAGIC) goto cantfind_ext2; + opts.s_mount_opt = 0; /* Set defaults before we parse the mount options */ def_mount_opts = le32_to_cpu(es->s_default_mount_opts); if (def_mount_opts & EXT2_DEFM_DEBUG) |