From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932310AbbCPON7 (ORCPT ); Mon, 16 Mar 2015 10:13:59 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:54865 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932273AbbCPONz (ORCPT ); Mon, 16 Mar 2015 10:13:55 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, David Sterba , Chris Mason Subject: [PATCH 3.19 072/177] btrfs: fix lost return value due to variable shadowing Date: Mon, 16 Mar 2015 15:07:59 +0100 Message-Id: <20150316140816.372161261@linuxfoundation.org> X-Mailer: git-send-email 2.3.3 In-Reply-To: <20150316140813.085032723@linuxfoundation.org> References: <20150316140813.085032723@linuxfoundation.org> User-Agent: quilt/0.64 MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: David Sterba commit 1932b7be973b554ffe20a5bba6ffaed6fa995cdc upstream. A block-local variable stores error code but btrfs_get_blocks_direct may not return it in the end as there's a ret defined in the function scope. Fixes: d187663ef24c ("Btrfs: lock extents as we map them in DIO") Signed-off-by: David Sterba Signed-off-by: Chris Mason Signed-off-by: Greg Kroah-Hartman --- fs/btrfs/inode.c | 1 - 1 file changed, 1 deletion(-) --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -7208,7 +7208,6 @@ static int btrfs_get_blocks_direct(struc ((BTRFS_I(inode)->flags & BTRFS_INODE_NODATACOW) && em->block_start != EXTENT_MAP_HOLE)) { int type; - int ret; u64 block_start, orig_start, orig_block_len, ram_bytes; if (test_bit(EXTENT_FLAG_PREALLOC, &em->flags))