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ext2: initialize opts.s_mount_opt as zero before using it

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We need to initialize opts.s_mount_opt as zero before using it, else we
may get some unexpected mount options.

Fixes: 088519572c ("ext2: Parse mount options into a dedicated structure")
CC: [email protected]
Signed-off-by: xingaopeng <[email protected]>
Signed-off-by: Jan Kara <[email protected]>
This commit is contained in:
xingaopeng 2018-11-24 19:21:59 +08:00 • committed by Jan Kara
commit e5f5b71798
1 changed files with 1 additions and 0 deletions
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1
fs/ext2/super.c
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@ -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)