diff options
| author | Ingo Molnar <mingo@elte.hu> | 2011-03-04 11:12:24 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-03-04 11:12:26 +0100 |
| commit | e0a92c17470775cd85bac52f5372ccc3dc58254a (patch) | |
| tree | 9339da8754084bed50b941b018706b75482025cb /fs/btrfs/ioctl.c | |
| parent | 544b4a1f309d18f40969dbab7e08bafd136b2f55 (diff) | |
| parent | 0c3b9168017cbad2c4af3dd65ec93fe646eeaa62 (diff) | |
Merge branch 'sched/urgent' into sched/core
Merge reason: Add fixes before applying dependent patches.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/btrfs/ioctl.c')
| -rw-r--r-- | fs/btrfs/ioctl.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index be2d4f6aaa5..5fdb2abc4fa 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1071,12 +1071,15 @@ static noinline int btrfs_ioctl_subvol_setflags(struct file *file, if (copy_from_user(&flags, arg, sizeof(flags))) return -EFAULT; - if (flags & ~BTRFS_SUBVOL_CREATE_ASYNC) + if (flags & BTRFS_SUBVOL_CREATE_ASYNC) return -EINVAL; if (flags & ~BTRFS_SUBVOL_RDONLY) return -EOPNOTSUPP; + if (!is_owner_or_cap(inode)) + return -EACCES; + down_write(&root->fs_info->subvol_sem); /* nothing to do */ @@ -1097,7 +1100,7 @@ static noinline int btrfs_ioctl_subvol_setflags(struct file *file, goto out_reset; } - ret = btrfs_update_root(trans, root, + ret = btrfs_update_root(trans, root->fs_info->tree_root, &root->root_key, &root->root_item); btrfs_commit_transaction(trans, root); |