From 297f7680cfd73ab6eb099adca7aefe00e61c9e85 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Sat, 19 Nov 2011 16:11:42 +0000 Subject: [PATCH] sna: Avoid the NULL damage deref Fixes x11perf -wdcircle100 -time 1 -repeat 1 -rop GXxor Reported-by: Fryderyk Dziarmagowski Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=43084 Signed-off-by: Chris Wilson --- src/sna/sna_accel.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/sna/sna_accel.c b/src/sna/sna_accel.c index 46992f66..69e286bf 100644 --- a/src/sna/sna_accel.c +++ b/src/sna/sna_accel.c @@ -7940,7 +7940,8 @@ sna_push_pixels_solid_blt(GCPtr gc, RegionTranslate(region, dx, dy); assert_pixmap_contains_box(pixmap, RegionExtents(region)); - sna_damage_add(damage, region); + if (damage) + sna_damage_add(damage, region); DBG(("%s: upload(%d, %d, %d, %d)\n", __FUNCTION__, region->extents.x1, region->extents.y1,