From 8a535a8bc075debade456a4e48544bba483a99a8 Mon Sep 17 00:00:00 2001
From: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Date: Thu, 13 Apr 2017 00:04:23 +0200
Subject: [PATCH] radv: Ignore CmdUpdateBuffer with size 0.

Signed-off-by: Bas Nieuwenhuizen <basni@google.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
---
 src/amd/vulkan/radv_meta_buffer.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/amd/vulkan/radv_meta_buffer.c b/src/amd/vulkan/radv_meta_buffer.c
index 1e94f3b5866..cfa0b9320e2 100644
--- a/src/amd/vulkan/radv_meta_buffer.c
+++ b/src/amd/vulkan/radv_meta_buffer.c
@@ -523,6 +523,9 @@ void radv_CmdUpdateBuffer(
 	assert(!(dataSize & 3));
 	assert(!(va & 3));
 
+	if (!dataSize)
+		return;
+
 	if (dataSize < 4096) {
 		si_emit_cache_flush(cmd_buffer);