X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fglx%2Fclientinfo.c;h=8f3fdeba4aa1c39ff8f857da2bb7e29b9c0de6a8;hb=f331419f262d3a0f270376cafbb9517b4627bb7a;hp=e90fd7962979985d5950fb240aa0f186ff3a83de;hpb=7c7b7b068b1d0dc8e14b87dab5dbd4108f874f74;p=mesa.git

diff --git a/src/glx/clientinfo.c b/src/glx/clientinfo.c
index e90fd796297..8f3fdeba4aa 100644
--- a/src/glx/clientinfo.c
+++ b/src/glx/clientinfo.c
@@ -113,6 +113,10 @@ __glX_send_client_info(struct glx_display *glx_dpy)
    }
 
    gl_extension_string = __glXGetClientGLExtensionString();
+   if (gl_extension_string == NULL) {
+      return;
+   }
+
    gl_extension_length = strlen(gl_extension_string) + 1;
 
    c = XGetXCBConnection(glx_dpy->dpy);