Check result to be equal to iov_len

2019-11-18 02:09:34 +03:00
parent d9d6a4f9c4
commit e40a71b2ce
6 changed files with 30 additions and 12 deletions
@@ -7,7 +7,7 @@ blockstore_init_meta::blockstore_init_meta(blockstore *bs)

 void blockstore_init_meta::handle_event(ring_data_t *data)
 {
-    if (data->res < 0)
+    if (data->res <= 0)
    {
        throw std::runtime_error(
            std::string("read metadata failed at offset ") + std::to_string(metadata_read) +
@@ -29,6 +29,8 @@ int blockstore_init_meta::loop()
    if (!metadata_buffer)
    {
        metadata_buffer = (uint8_t*)memalign(512, 2*bs->metadata_buf_size);
+        if (!metadata_buffer)
+            throw std::bad_alloc();
    }
    if (!submitted)
    {