Sebastian Lackner : hidclass.sys: Do not return failure when trying to set same ringbuffer size.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 74a79a77223b2ac8539f4e75fbd1026f67b414a9
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=74a79a77223b2ac8539f4e75fbd1026f67b414a9

Author: Sebastian Lackner <sebastian at fds-team.de>
Date:   Thu Oct 27 16:40:55 2016 +0200

hidclass.sys: Do not return failure when trying to set same ringbuffer size.

Signed-off-by: Sebastian Lackner <sebastian at fds-team.de>
Signed-off-by: Aric Stewart <aric at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/hidclass.sys/buffer.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dlls/hidclass.sys/buffer.c b/dlls/hidclass.sys/buffer.c
index 894853d..14e83e4 100644
--- a/dlls/hidclass.sys/buffer.c
+++ b/dlls/hidclass.sys/buffer.c
@@ -102,8 +102,10 @@ NTSTATUS RingBuffer_SetSize(struct ReportRingBuffer *ring, UINT size)
     BYTE* new_buffer;
     int i;
 
-    if (size < MIN_BUFFER_SIZE || size > MAX_BUFFER_SIZE || size == ring->size)
+    if (size < MIN_BUFFER_SIZE || size > MAX_BUFFER_SIZE)
         return STATUS_INVALID_PARAMETER;
+    if (size == ring->size)
+        return STATUS_SUCCESS;
 
     EnterCriticalSection(&ring->lock);
     ring->start = ring->end = 0;