ws2_32: async_send with no buffers does not need to do any work.

f520dec3 · Aric Stewart · Alexandre Julliard · 34efca05 · f520dec3
Commit f520dec3 authored Mar 04, 2011 by Aric Stewart Committed by Alexandre Julliard Mar 07, 2011
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socket.c dlls/ws2_32/socket.c +6 -0

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--- a/dlls/ws2_32/socket.c
+++ b/dlls/ws2_32/socket.c
@@ -1797,6 +1797,12 @@ static NTSTATUS WS2_async_send(void* user, IO_STATUS_BLOCK* iosb, NTSTATUS statu
    switch (status)
    {
    case STATUS_ALERTED:
+        if ( wsa->n_iovecs <= wsa->first_iovec )
+        {
+            /* Nothing to do */
+            status = STATUS_SUCCESS;
+            break;
+        }
        if ((status = wine_server_handle_to_fd( wsa->hSocket, FILE_WRITE_DATA, &fd, NULL ) ))
            break;