@@ -2084,11 +2084,10 @@ static void nbd_extent_array_convert_to_be(NBDExtentArray *ea)
* Add extent to NBDExtentArray. If extent can't be added (no available space),
* return -1.
* For safety, when returning -1 for the first time, .can_add is set to false,
- * further call to nbd_extent_array_add() will crash.
- * (to avoid the situation, when after failing to add an extent (returned -1),
- * user miss this failure and add another extent, which is successfully added
- * (array is full, but new extent may be squashed into the last one), then we
- * have invalid array with skipped extent)
+ * and further calls to nbd_extent_array_add() will crash.
+ * (this avoids the situation where a caller ignores failure to add one extent,
+ * where adding another extent that would squash into the last array entry
+ * would result in an incorrect range reported to the client)
*/
static int nbd_extent_array_add(NBDExtentArray *ea,
uint32_t length, uint32_t flags)
@@ -2287,7 +2286,7 @@ static int nbd_co_receive_request(NBDRequestData *req, NBDRequest *request,
assert(client->recv_coroutine == qemu_coroutine_self());
ret = nbd_receive_request(client, request, errp);
if (ret < 0) {
- return ret;
+ return ret;
}
trace_nbd_co_receive_request_decode_type(request->handle, request->type,
@@ -2647,7 +2646,7 @@ static coroutine_fn void nbd_trip(void *opaque)
}
if (ret < 0) {
- /* It wans't -EIO, so, according to nbd_co_receive_request()
+ /* It wasn't -EIO, so, according to nbd_co_receive_request()
* semantics, we should return the error to the client. */
Error *export_err = local_err;