From: xingaopeng <xingaopeng@xxxxxxxxxx> 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") Signed-off-by: xingaopeng <xingaopeng@xxxxxxxxxx> --- fs/ext2/super.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/ext2/super.c b/fs/ext2/super.c index cb91baa4275d..eb11502e3fcd 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -892,6 +892,7 @@ 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) -- 2.16.2.dirty