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-rw-r--r--fs/xfs/xfs_inode.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 4d55f58d99b7..fb85c5c81745 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -918,6 +918,13 @@ xfs_droplink(
xfs_trans_t *tp,
xfs_inode_t *ip)
{
+ if (VFS_I(ip)->i_nlink == 0) {
+ xfs_alert(ip->i_mount,
+ "%s: Attempt to drop inode (%llu) with nlink zero.",
+ __func__, ip->i_ino);
+ return -EFSCORRUPTED;
+ }
+
xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_CHG);
drop_nlink(VFS_I(ip));