From patchwork Wed Jan 20 14:02:59 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [v2,02/10] qcow2: Fix error handling in qcow_save_vmstate From: Kevin Wolf X-Patchwork-Id: 43286 Message-Id: <1263996186-6623-3-git-send-email-kwolf@redhat.com> To: qemu-devel@nongnu.org Cc: Kevin Wolf Date: Wed, 20 Jan 2010 15:02:59 +0100 Don't assume success but pass the bdrv_pwrite return value on. Signed-off-by: Kevin Wolf --- block/qcow2.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/block/qcow2.c b/block/qcow2.c index 6622eba..e06f4dd 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -1163,12 +1163,13 @@ static int qcow_save_vmstate(BlockDriverState *bs, const uint8_t *buf, { BDRVQcowState *s = bs->opaque; int growable = bs->growable; + int ret; bs->growable = 1; - bdrv_pwrite(bs, qcow_vm_state_offset(s) + pos, buf, size); + ret = bdrv_pwrite(bs, qcow_vm_state_offset(s) + pos, buf, size); bs->growable = growable; - return size; + return ret; } static int qcow_load_vmstate(BlockDriverState *bs, uint8_t *buf,