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authorKevin Wolf <kwolf@redhat.com>2011-02-09 10:26:06 +0100
committerKevin Wolf <kwolf@redhat.com>2011-02-10 13:23:44 +0100
commit8af364884355b3f0c5d60a2d2f427927739658ea (patch)
tree93e864055254dd0502413a748b0742b138beb9f5 /block/qcow2-cluster.c
parent3ab4c7e92d39d40e6dc0bdb1c2320889543691cb (diff)
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-cluster.c')
-rw-r--r--block/qcow2-cluster.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index 5fb8c6695a..437aaa8174 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -878,11 +878,11 @@ int qcow2_decompress_cluster(BlockDriverState *bs, uint64_t cluster_offset)
BLKDBG_EVENT(bs->file, BLKDBG_READ_COMPRESSED);
ret = bdrv_read(bs->file, coffset >> 9, s->cluster_data, nb_csectors);
if (ret < 0) {
- return -1;
+ return ret;
}
if (decompress_buffer(s->cluster_cache, s->cluster_size,
s->cluster_data + sector_offset, csize) < 0) {
- return -1;
+ return -EIO;
}
s->cluster_cache_offset = coffset;
}