Return the required -EINVAL from the function btrfs_check_super_csum()
and move the error logging into the btrfs_check_super_csum() itself.
Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx>
---
fs/btrfs/disk-io.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 582ed6af3c50..aafd836af61d 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -406,7 +406,7 @@ static int btrfs_check_super_csum(struct btrfs_fs_info *fs_info,
if (csum_type != BTRFS_CSUM_TYPE_CRC32) {
btrfs_err(fs_info, "unsupported checksum algorithm %u",
csum_type);
- return 1;
+ return -EINVAL;
}
/*
@@ -418,8 +418,10 @@ static int btrfs_check_super_csum(struct btrfs_fs_info *fs_info,
crc, BTRFS_SUPER_INFO_SIZE - BTRFS_CSUM_SIZE);
btrfs_csum_final(crc, result);
- if (memcmp(raw_disk_sb, result, sizeof(result)))
- return 1;
+ if (memcmp(raw_disk_sb, result, sizeof(result))) {
+ btrfs_err(fs_info, "superblock checksum mismatch");
+ return -EINVAL;
+ }
return 0;
}
@@ -2571,9 +2573,8 @@ int open_ctree(struct super_block *sb,
* We want to check superblock checksum, the type is stored inside.
* Pass the whole disk block of size BTRFS_SUPER_INFO_SIZE (4k).
*/
- if (btrfs_check_super_csum(fs_info, bh->b_data)) {
- btrfs_err(fs_info, "superblock checksum mismatch");
- err = -EINVAL;
+ err = btrfs_check_super_csum(fs_info, bh->b_data);
+ if (err) {
brelse(bh);
goto fail_alloc;
}
--
2.15.0
--
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