From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753848AbcHZOlE (ORCPT ); Fri, 26 Aug 2016 10:41:04 -0400 Received: from mail-wm0-f67.google.com ([74.125.82.67]:34505 "EHLO mail-wm0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753522AbcHZOkt (ORCPT ); Fri, 26 Aug 2016 10:40:49 -0400 From: Quorum Laval To: shaggy@kernel.org Cc: jfs-discussion@lists.sourceforge.net, linux-kernel@vger.kernel.org, quorum.laval@gmail.com Subject: [PATCH] jfs: jump to error_out when filemap_{fdatawait, write_and_wait} fails Date: Fri, 26 Aug 2016 15:40:40 +0100 Message-Id: <1472222440-4736-1-git-send-email-quorum.laval@gmail.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org filemap_fdatawait/filemap_write_and_wait may fail, so check the return value and jump to error_out in the case of error. Signed-off-by: Quorum Laval --- fs/jfs/resize.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/fs/jfs/resize.c b/fs/jfs/resize.c index 90b3bc2..bd9b641 100644 --- a/fs/jfs/resize.c +++ b/fs/jfs/resize.c @@ -379,8 +379,14 @@ int jfs_extendfs(struct super_block *sb, s64 newLVSize, int newLogSize) * cached in meta-data cache, and not written out * by txCommit(); */ - filemap_fdatawait(ipbmap->i_mapping); - filemap_write_and_wait(ipbmap->i_mapping); + rc = filemap_fdatawait(ipbmap->i_mapping); + if (rc) + goto error_out; + + rc = filemap_write_and_wait(ipbmap->i_mapping); + if (rc) + goto error_out; + diWriteSpecial(ipbmap, 0); newPage = nPages; /* first new page number */ -- 1.9.1