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f2fs: fix return values from validate superblock 

validate super block is not returning with proper values.
When failure from sb_bread it should reflect there is an EIO otherwise
it should return of EINVAL.
Returning, '1' is not conveying proper message as the return type.

Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Amit Sahrawat <a.sahrawat@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Namjae Jeon 2013-03-17 17:26:53 +09:00 committed by Jaegeuk Kim
parent 7c909772f1
commit c0d39e65ba
1 changed files with 7 additions and 4 deletions
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11
fs/f2fs/super.c
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@ -474,7 +474,7 @@ static int validate_superblock(struct super_block *sb,
if (!*raw_super_buf) {
f2fs_msg(sb, KERN_ERR, "unable to read %s superblock",
super);
return 1;
return -EIO;
}
*raw_super = (struct f2fs_super_block *)
@ -486,7 +486,7 @@ static int validate_superblock(struct super_block *sb,
f2fs_msg(sb, KERN_ERR, "Can't find a valid F2FS filesystem "
"in %s superblock", super);
return 1;
return -EINVAL;
}
static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
@ -509,9 +509,12 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
goto free_sbi;
}
if (validate_superblock(sb, &raw_super, &raw_super_buf, 0)) {
err = validate_superblock(sb, &raw_super, &raw_super_buf, 0);
if (err) {
brelse(raw_super_buf);
if (validate_superblock(sb, &raw_super, &raw_super_buf, 1))
/* check secondary superblock when primary failed */
err = validate_superblock(sb, &raw_super, &raw_super_buf, 1);
if (err)
goto free_sb_buf;
}
/* init some FS parameters */