[PATCH 1/1] winegstreamer/quartz_parser: Handle 0 size in read_thread.

[Ziqing Hui]

From: Ziqing Hui

Calling IAsyncReader_SyncRead() with 0 size may fails, but
we should not return error with 0 size, so we handle it earlier.
---
 dlls/winegstreamer/quartz_parser.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/dlls/winegstreamer/quartz_parser.c b/dlls/winegstreamer/quartz_parser.c
index 90dbc067bb4..19b104d55df 100644
--- a/dlls/winegstreamer/quartz_parser.c
+++ b/dlls/winegstreamer/quartz_parser.c
@@ -1374,6 +1374,12 @@ static DWORD CALLBACK read_thread(void *arg)
         else if (offset + size >= file_size)
             size = file_size - offset;

+        if (!size)
+        {
+            wg_parser_push_data(filter->wg_parser, data, 0);
+            continue;
+        }
+
         if (!array_reserve(&data, &buffer_size, size, 1))
         {
             free(data);