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From: Felix Fietkau <nbd@nbd.name>
Date: Mon, 6 Mar 2017 09:48:52 +0100
Subject: [PATCH] ubifs: fix RENAME_WHITEOUT support

Remove faulty leftover check in do_rename(), apparently introduced in a
merge that combined whiteout support changes with commit f03b8ad8d386
("fs: support RENAME_NOREPLACE for local filesystems")

Fixes: 9e0a1fff8db5 ("ubifs: Implement RENAME_WHITEOUT")
Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -1088,9 +1088,6 @@ static int do_rename(struct inode *old_d
 	struct timespec time;
 	unsigned int uninitialized_var(saved_nlink);
 
-	if (flags & ~RENAME_NOREPLACE)
-		return -EINVAL;
-
 	/*
 	 * Budget request settings: deletion direntry, new direntry, removing
 	 * the old inode, and changing old and new parent directory inodes.