diff options
Diffstat (limited to 'block/io.c')
| -rw-r--r-- | block/io.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/block/io.c b/block/io.c index 23abdae794..ab953bd58f 100644 --- a/block/io.c +++ b/block/io.c @@ -1680,13 +1680,17 @@ static bool bdrv_pad_request(BlockDriverState *bs, int64_t *offset, unsigned int *bytes, BdrvRequestPadding *pad) { + int ret; + if (!bdrv_init_padding(bs, *offset, *bytes, pad)) { return false; } - qemu_iovec_init_extended(&pad->local_qiov, pad->buf, pad->head, - *qiov, *qiov_offset, *bytes, - pad->buf + pad->buf_len - pad->tail, pad->tail); + ret = qemu_iovec_init_extended(&pad->local_qiov, pad->buf, pad->head, + *qiov, *qiov_offset, *bytes, + pad->buf + pad->buf_len - pad->tail, + pad->tail); + assert(ret == 0); *bytes += pad->head + pad->tail; *offset -= pad->head; *qiov = &pad->local_qiov; |