1 files changed, 1 insertions, 2 deletions

diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index c664bb921425..08c7c7387fce 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -577,8 +577,7 @@ static int nfs_lock(struct file *filp, int cmd, struct file_lock *fl)
         nfs_inc_stats(inode, NFSIOS_VFSLOCK);
 
         /* No mandatory locks over NFS */
-        if ((inode->i_mode & (S_ISGID | S_IXGRP)) == S_ISGID &&
-            fl->fl_type != F_UNLCK)
+        if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK)
                 return -ENOLCK;
 
         if (IS_GETLK(cmd))