[Mesa-dev] [PATCH] vulkan/wsi/x11: don't crash on null wsi x11 connection

Arda Coskunses acoskunses at gmail.com
Tue Dec 20 03:59:37 UTC 2016


Without this check driver crash when application window
closed unexpectedly.
---
 src/vulkan/wsi/wsi_common_x11.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/vulkan/wsi/wsi_common_x11.c b/src/vulkan/wsi/wsi_common_x11.c
index 25ba0c1..afb7809 100644
--- a/src/vulkan/wsi/wsi_common_x11.c
+++ b/src/vulkan/wsi/wsi_common_x11.c
@@ -261,6 +261,11 @@ VkBool32 wsi_get_physical_device_xcb_presentation_support(
    struct wsi_x11_connection *wsi_conn =
       wsi_x11_get_connection(wsi_device, alloc, connection);
 
+   if (!wsi_conn) {
+      fprintf(stderr, "vulkan: wsi connection lost\n");
+      return false;
+   }
+
    if (!wsi_conn->has_dri3) {
       fprintf(stderr, "vulkan: No DRI3 support\n");
       return false;
-- 
2.7.4



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