Module: Mesa
Branch: master
Commit: b41f36bde778e6b11129f51de423b7c3aece26b4
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=b41f36bde778e6b11129f51de423b7c3aece26b4
Author: Paulo Alcantara <pca...@profusion.mobi>
Date: Fri Aug 17 14:08:10 2012 -0300
egl_dri2: Fix segmentation fault
The segmentation fault occurs when DRI2 is not loaded up and
dri2_setup_screen() function deferences dri2_dpy->dri2 (since it's NULL
at this point).
This patch fixes the segmentation fault by checking if dri2 pointer is
not NULL before deferencing it.
Signed-off-by: Paulo Alcantara <pca...@profusion.mobi>
Reviewed-by: Ian Romanick <ian.d.roman...@intel.com>
Signed-off-by: Brian Paul <bri...@vmware.com>
---
src/egl/drivers/dri2/egl_dri2.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index 423d18d..7326b85 100644
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -481,7 +481,7 @@ dri2_setup_screen(_EGLDisplay *disp)
assert(dri2_dpy->dri2 || dri2_dpy->swrast);
disp->Extensions.KHR_surfaceless_context = EGL_TRUE;
- if (dri2_dpy->dri2->base.version >= 3) {
+ if (dri2_dpy->dri2 && dri2_dpy->dri2->base.version >= 3) {
disp->Extensions.KHR_create_context = EGL_TRUE;
if (dri2_dpy->robustness)
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