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-rw-r--r--fs/nfs/file.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index eb5cd4c3bbfd..7a79fbe9f539 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -509,7 +509,8 @@ static int nfs_lock(struct file *filp, int cmd, struct file_lock *fl)
509 return -EINVAL; 509 return -EINVAL;
510 510
511 /* No mandatory locks over NFS */ 511 /* No mandatory locks over NFS */
512 if ((inode->i_mode & (S_ISGID | S_IXGRP)) == S_ISGID) 512 if ((inode->i_mode & (S_ISGID | S_IXGRP)) == S_ISGID &&
513 fl->fl_type != F_UNLCK)
513 return -ENOLCK; 514 return -ENOLCK;
514 515
515 if (IS_GETLK(cmd)) 516 if (IS_GETLK(cmd))