[Mesa-dev] [PATCH] dri_util: fail driCreateNewScreen if InitScreen is NULL

[Paulo Zanoni]

Without this, X doesn't start with UMS on r300g.

Signed-off-by: Paulo Zanoni <pzanoni at mandriva.com>
---

Sending patch as discussed in #radeon
Tested with mesa 7.10. If the patch is accepted, please backport to 7.10.

 src/mesa/drivers/dri/common/dri_util.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/dri/common/dri_util.c b/src/mesa/drivers/dri/common/dri_util.c
index a5b71bd..bf8cf6e 100644
--- a/src/mesa/drivers/dri/common/dri_util.c
+++ b/src/mesa/drivers/dri/common/dri_util.c
@@ -790,6 +790,9 @@ driCreateNewScreen(int scrn,
     static const __DRIextension *emptyExtensionList[] = { NULL };
     __DRIscreen *psp;
 
+    if (driDriverAPI.InitScreen == NULL)
+	return NULL;
+
     psp = calloc(1, sizeof *psp);
     if (!psp)
 	return NULL;
-- 
1.7.1