From 75b1607dbc11611da0d8f5bf61010a882ed5916b Mon Sep 17 00:00:00 2001 Message-Id: <75b1607dbc11611da0d8f5bf61010a882ed5916b.1378813438.git.minovotn@redhat.com> In-Reply-To: References: From: Jeffrey Cody Date: Wed, 28 Aug 2013 13:14:49 +0200 Subject: [PATCH 07/13] vpc: Add missing error handling in alloc_block RH-Author: Jeffrey Cody Message-id: Patchwork-id: 53842 O-Subject: [RHEL6.5 qemu-kvm PATCH 07/13] vpc: Add missing error handling in alloc_block Bugzilla: 999779 RH-Acked-by: Stefan Hajnoczi RH-Acked-by: Kevin Wolf RH-Acked-by: Fam Zheng From: Kevin Wolf Signed-off-by: Kevin Wolf Reviewed-by: Stefan Hajnoczi (cherry picked from commit 5bb1cbac4fdb1ca28f33c8d68538d03e3db7c160) Signed-off-by: Jeff Cody --- block/vpc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) Signed-off-by: Michal Novotny --- block/vpc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/block/vpc.c b/block/vpc.c index 75a2f23..b82521d 100644 --- a/block/vpc.c +++ b/block/vpc.c @@ -361,8 +361,11 @@ static int64_t alloc_block(BlockDriverState* bs, int64_t sector_num) // Initialize the block's bitmap memset(bitmap, 0xff, s->bitmap_size); - bdrv_pwrite_sync(bs->file, s->free_data_block_offset, bitmap, + ret = bdrv_pwrite_sync(bs->file, s->free_data_block_offset, bitmap, s->bitmap_size); + if (ret < 0) { + return ret; + } // Write new footer (the old one will be overwritten) s->free_data_block_offset += s->block_size + s->bitmap_size; -- 1.7.11.7