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authorMichel Dänzer <daenzer@vmware.com>2009-06-23 16:45:39 +0200
committerKeith Packard <keithp@keithp.com>2009-09-22 12:04:27 -0700
commitf5d1da499c3d64f0a4ac217eb19911b8e35cb49b (patch)
tree19e548affa2110bf3edaa48029148f69fe6cc8aa
parent468787bdd2c34f9edf46da76b6357034c216fa7b (diff)
dri2: Don't crash if pPriv is NULL.
(cherry picked from commit df597709d71f47b8516e27c6fb1bfffd59de5e48) Signed-off-by: Keith Packard <keithp@keithp.com>
-rw-r--r--hw/xfree86/dri2/dri2.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/hw/xfree86/dri2/dri2.c b/hw/xfree86/dri2/dri2.c
index 580383dbc..3e8a7d4a8 100644
--- a/hw/xfree86/dri2/dri2.c
+++ b/hw/xfree86/dri2/dri2.c
@@ -190,10 +190,18 @@ do_get_buffers(DrawablePtr pDraw, int *width, int *height,
int need_fake_front = 0;
int have_fake_front = 0;
int front_format = 0;
- const int dimensions_match = (pDraw->width == pPriv->width)
- && (pDraw->height == pPriv->height);
+ int dimensions_match;
int i;
+ if (!pPriv) {
+ *width = pDraw->width;
+ *height = pDraw->height;
+ *out_count = 0;
+ return NULL;
+ }
+
+ dimensions_match = (pDraw->width == pPriv->width)
+ && (pDraw->height == pPriv->height);
buffers = xalloc((count + 1) * sizeof(buffers[0]));