Commit e14e8ba5 authored by Kevin Wolf's avatar Kevin Wolf
Browse files

qcow2: Return real error code in load_refcount_block 



This fixes load_refcount_block which completely ignored the return value of
write_refcount_block and always returned -EIO for bdrv_pwrite failure.

Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
parent 2eaa8f63

block/qcow2-refcount.c

+8 −3
Original line number Diff line number Diff line
@@ -93,14 +93,19 @@ static int load_refcount_block(BlockDriverState *bs, 
    int ret;



    if (cache_refcount_updates) {

        write_refcount_block(bs);

        ret = write_refcount_block(bs);

        if (ret < 0) {

            return ret;

        }

    }



    BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_LOAD);

    ret = bdrv_pread(bs->file, refcount_block_offset, s->refcount_block_cache,

                     s->cluster_size);

    if (ret != s->cluster_size)

        return -EIO;

    if (ret < 0) {

        return ret;

    }



    s->refcount_block_cache_offset = refcount_block_offset;

    return 0;

}