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-rw-r--r--fs/afs/flock.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/afs/flock.c b/fs/afs/flock.c
index af6952e39a18..210acafe4a9b 100644
--- a/fs/afs/flock.c
+++ b/fs/afs/flock.c
@@ -524,8 +524,7 @@ int afs_lock(struct file *file, int cmd, struct file_lock *fl)
(long long) fl->fl_start, (long long) fl->fl_end);
/* AFS doesn't support mandatory locks */
- if ((vnode->vfs_inode.i_mode & (S_ISGID | S_IXGRP)) == S_ISGID &&
- fl->fl_type != F_UNLCK)
+ if (__mandatory_lock(&vnode->vfs_inode) && fl->fl_type != F_UNLCK)
return -ENOLCK;
if (IS_GETLK(cmd))