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-rw-r--r--fs/btrfs/inode.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 4822b313278..04babaf31a3 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4837,6 +4837,9 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
if (root->objectid != BTRFS_I(inode)->root->objectid)
return -EXDEV;
+ if (inode->i_nlink == ~0U)
+ return -EMLINK;
+
btrfs_inc_nlink(inode);
inode->i_ctime = CURRENT_TIME;