From 8af364884355b3f0c5d60a2d2f427927739658ea Mon Sep 17 00:00:00 2001 From: Kevin Wolf Date: Wed, 9 Feb 2011 10:26:06 +0100 Subject: qcow2: Fix error handling for reading compressed clusters When reading a compressed cluster failed, qcow2 falsely returned success. Signed-off-by: Kevin Wolf Reviewed-by: Markus Armbruster --- block/qcow2.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'block/qcow2.c') diff --git a/block/qcow2.c b/block/qcow2.c index 647c2a4bc..551b3c2f8 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -497,8 +497,10 @@ static void qcow2_aio_read_cb(void *opaque, int ret) } } else if (acb->cluster_offset & QCOW_OFLAG_COMPRESSED) { /* add AIO support for compressed blocks ? */ - if (qcow2_decompress_cluster(bs, acb->cluster_offset) < 0) + ret = qcow2_decompress_cluster(bs, acb->cluster_offset); + if (ret < 0) { goto done; + } qemu_iovec_from_buffer(&acb->hd_qiov, s->cluster_cache + index_in_cluster * 512, -- cgit v1.2.3