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authorChris Metcalf <cmetcalf@tilera.com>2011-03-17 14:14:12 -0400
committerChris Metcalf <cmetcalf@tilera.com>2011-03-17 14:14:12 -0400
commit325d1605542960903c88409b199734a3d8fc6612 (patch)
tree9d8eeed393a3b5dcadd1ddb6b76634b464fd6bc7 /fs/btrfs/ioctl.c
parent3c5ead52ed68406c0ee789024c4ae581be8bcee4 (diff)
parent521cb40b0c44418a4fd36dc633f575813d59a43d (diff)
Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus
Diffstat (limited to 'fs/btrfs/ioctl.c')
-rw-r--r--fs/btrfs/ioctl.c7
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);