[PATCH 6.1 139/141] ksmbd: clear RENAME_NOREPLACE before calling vfs_rename

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6.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Marios Makassikis <mmakassikis@xxxxxxxxxx>

commit 4973b04d3ea577db80c501c5f14e68ec69fe1794 upstream.

File overwrite case is explicitly handled, so it is not necessary to
pass RENAME_NOREPLACE to vfs_rename.

Clearing the flag fixes rename operations when the share is a ntfs-3g
mount. The latter uses an older version of fuse with no support for
flags in the ->rename op.

Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Marios Makassikis <mmakassikis@xxxxxxxxxx>
Acked-by: Namjae Jeon <linkinjeon@xxxxxxxxxx>
Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 fs/smb/server/vfs.c |    5 +++++
 1 file changed, 5 insertions(+)

--- a/fs/smb/server/vfs.c
+++ b/fs/smb/server/vfs.c
@@ -746,10 +746,15 @@ retry:
 		goto out4;
 	}
 
+	/*
+	 * explicitly handle file overwrite case, for compatibility with
+	 * filesystems that may not support rename flags (e.g: fuse)
+	 */
 	if ((flags & RENAME_NOREPLACE) && d_is_positive(new_dentry)) {
 		err = -EEXIST;
 		goto out4;
 	}
+	flags &= ~(RENAME_NOREPLACE);
 
 	if (old_child == trap) {
 		err = -EINVAL;






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