diff options
Diffstat (limited to 'fs/btrfs/ioctl.c')
-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) { |