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| author | Shen Feng <shen@cn.fujitsu.com> | 2009-01-05 15:43:42 -0500 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2009-01-05 15:43:42 -0500 |
| commit | 1f48366084a7b046bcb7741ed4e607774f96e3da (patch) | |
| tree | e85d1e0dccccc78689a833373933c001c5d05adb /fs | |
| parent | c584482b47f47b051cdc1d5236b99ad18f1b1cfb (diff) | |
| download | linux-stable-1f48366084a7b046bcb7741ed4e607774f96e3da.tar.gz linux-stable-1f48366084a7b046bcb7741ed4e607774f96e3da.tar.bz2 linux-stable-1f48366084a7b046bcb7741ed4e607774f96e3da.zip | |
Btrfs: fix a memory leak in btrfs_get_sb
subvol_name should be freed if error occurs.
Signed-off-by: Shen Feng <shen@cn.fujitsu.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/super.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 3814238d6eba..ccdcb7bb7ad8 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -429,7 +429,7 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags, error = btrfs_parse_early_options(data, mode, fs_type, &subvol_name, &fs_devices); if (error) - goto error; + return error; error = btrfs_scan_one_device(dev_name, mode, fs_type, &fs_devices); if (error) @@ -468,7 +468,7 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags, if (error) { up_write(&s->s_umount); deactivate_super(s); - goto error; + goto error_free_subvol_name; } btrfs_sb(s)->fs_info->bdev_holder = fs_type; @@ -485,14 +485,14 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags, up_write(&s->s_umount); deactivate_super(s); error = PTR_ERR(root); - goto error; + goto error_free_subvol_name; } if (!root->d_inode) { dput(root); up_write(&s->s_umount); deactivate_super(s); error = -ENXIO; - goto error; + goto error_free_subvol_name; } } @@ -508,7 +508,6 @@ error_close_devices: btrfs_close_devices(fs_devices); error_free_subvol_name: kfree(subvol_name); -error: return error; } |