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-rw-r--r--fs/btrfs/ioctl.c20
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*/
772static 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) {