ksmbd: ensure error is surfaced in set_file_basic_info()

It seems the error was accidently ignored until now. Make sure it is
surfaced.

Cc: Steve French <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: Namjae Jeon <[email protected]>
Cc: Hyunchul Lee <[email protected]>
Cc: Sergey Senozhatsky <[email protected]>
Cc: [email protected]
Signed-off-by: Christian Brauner <[email protected]>
Signed-off-by: Namjae Jeon <[email protected]>
Signed-off-by: Steve French <[email protected]>

fs/ksmbd/smb2pdu.c

@@ -5531,7 +5531,7 @@ static int set_file_basic_info(struct ksmbd_file *fp, char *buf,
 		rc = notify_change(user_ns, dentry, &attrs, NULL);
 		inode_unlock(inode);
 	}
-	return 0;
+	return rc;
 }
 
 static int set_file_allocation_info(struct ksmbd_work *work,