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-cluster.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'block/qcow2-cluster.c') 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; } -- cgit v1.2.1