@@ -138,7 +138,10 @@ BlockDriverAIOCB *win32_aio_submit(BlockDriverState *bs,
waiocb->is_read = (type == QEMU_AIO_READ);
if (qiov->niov > 1) {
- waiocb->buf = qemu_blockalign(bs, qiov->size);
+ waiocb->buf = qemu_try_blockalign(bs, qiov->size);
+ if (waiocb->buf == NULL) {
+ goto out;
+ }
if (type & QEMU_AIO_WRITE) {
iov_to_buf(qiov->iov, qiov->niov, 0, waiocb->buf, qiov->size);
}
@@ -167,6 +170,7 @@ BlockDriverAIOCB *win32_aio_submit(BlockDriverState *bs,
out_dec_count:
aio->count--;
+out:
qemu_aio_release(waiocb);
return NULL;
}