diff options
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/ioctl.c | 20 |
1 files changed, 1 insertions, 19 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 8d2b76e29d3b..4399f0c3a4ce 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c | |||
| @@ -765,23 +765,6 @@ out: | |||
| 765 | return ret; | 765 | return ret; |
| 766 | } | 766 | } |
| 767 | 767 | ||
| 768 | /* copy of check_sticky in fs/namei.c() | ||
| 769 | * It's inline, so penalty for filesystems that don't use sticky bit is | ||
| 770 | * minimal. | ||
| 771 | */ | ||
| 772 | static inline int btrfs_check_sticky(struct inode *dir, struct inode *inode) | ||
| 773 | { | ||
| 774 | kuid_t fsuid = current_fsuid(); | ||
| 775 | |||
| 776 | if (!(dir->i_mode & S_ISVTX)) | ||
| 777 | return 0; | ||
| 778 | if (uid_eq(inode->i_uid, fsuid)) | ||
| 779 | return 0; | ||
| 780 | if (uid_eq(dir->i_uid, fsuid)) | ||
| 781 | return 0; | ||
| 782 | return !capable(CAP_FOWNER); | ||
| 783 | } | ||
| 784 | |||
| 785 | /* copy of may_delete in fs/namei.c() | 768 | /* copy of may_delete in fs/namei.c() |
| 786 | * Check whether we can remove a link victim from directory dir, check | 769 | * Check whether we can remove a link victim from directory dir, check |
| 787 | * whether the type of victim is right. | 770 | * whether the type of victim is right. |
| @@ -817,8 +800,7 @@ static int btrfs_may_delete(struct inode *dir, struct dentry *victim, int isdir) | |||
| 817 | return error; | 800 | return error; |
| 818 | if (IS_APPEND(dir)) | 801 | if (IS_APPEND(dir)) |
| 819 | return -EPERM; | 802 | return -EPERM; |
| 820 | if (btrfs_check_sticky(dir, victim->d_inode)|| | 803 | if (check_sticky(dir, victim->d_inode) || IS_APPEND(victim->d_inode) || |
| 821 | IS_APPEND(victim->d_inode)|| | ||
| 822 | IS_IMMUTABLE(victim->d_inode) || IS_SWAPFILE(victim->d_inode)) | 804 | IS_IMMUTABLE(victim->d_inode) || IS_SWAPFILE(victim->d_inode)) |
| 823 | return -EPERM; | 805 | return -EPERM; |
| 824 | if (isdir) { | 806 | if (isdir) { |
