From patchwork Fri Apr 9 09:46:27 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [STABLE,09/10] qcow2: Don't ignore immediate read/write failures Date: Thu, 08 Apr 2010 23:46:27 -0000 From: Kevin Wolf X-Patchwork-Id: 49802 Message-Id: <1270806388-28138-10-git-send-email-kwolf@redhat.com> To: aurelien@aurel32.net Cc: kwolf@redhat.com, qemu-devel@nongnu.org Returning -EIO is far from optimal, but at least it's an error code. Signed-off-by: Kevin Wolf --- block/qcow2.c | 8 ++++++-- 1 files changed, 6 insertions(+), 2 deletions(-) diff --git a/block/qcow2.c b/block/qcow2.c index 4ae8f19..f6f8980 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -467,8 +467,10 @@ static void qcow_aio_read_cb(void *opaque, int ret) acb->hd_aiocb = bdrv_aio_readv(s->hd, (acb->cluster_offset >> 9) + index_in_cluster, &acb->hd_qiov, acb->n, qcow_aio_read_cb, acb); - if (acb->hd_aiocb == NULL) + if (acb->hd_aiocb == NULL) { + ret = -EIO; goto done; + } } return; @@ -620,8 +622,10 @@ static void qcow_aio_write_cb(void *opaque, int ret) (acb->cluster_offset >> 9) + index_in_cluster, &acb->hd_qiov, acb->n, qcow_aio_write_cb, acb); - if (acb->hd_aiocb == NULL) + if (acb->hd_aiocb == NULL) { + ret = -EIO; goto done; + } return;