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author | Kevin Wolf <kwolf@redhat.com> | 2011-02-09 10:26:06 +0100 |
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committer | Kevin Wolf <kwolf@redhat.com> | 2011-02-10 13:23:44 +0100 |
commit | 8af364884355b3f0c5d60a2d2f427927739658ea (patch) | |
tree | 93e864055254dd0502413a748b0742b138beb9f5 /block/qcow2.c | |
parent | 3ab4c7e92d39d40e6dc0bdb1c2320889543691cb (diff) | |
download | hqemu-8af364884355b3f0c5d60a2d2f427927739658ea.zip hqemu-8af364884355b3f0c5d60a2d2f427927739658ea.tar.gz |
qcow2: Fix error handling for reading compressed clusters
When reading a compressed cluster failed, qcow2 falsely returned success.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Diffstat (limited to 'block/qcow2.c')
-rw-r--r-- | block/qcow2.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/block/qcow2.c b/block/qcow2.c index 647c2a4..551b3c2 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, |