From adf026fffece49e6ae5939d53b2ec3fbc1d914cc Mon Sep 17 00:00:00 2001 From: Uli Schlachter Date: Thu, 21 Jul 2011 17:33:13 +0200 Subject: [PATCH] xcb: Fix a NULL dereference This fixes a crash in the hatchings test case. Signed-off-by: Uli Schlachter --- src/cairo-xcb-surface-render.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/src/cairo-xcb-surface-render.c b/src/cairo-xcb-surface-render.c index 3d1409361..b09d53230 100644 --- a/src/cairo-xcb-surface-render.c +++ b/src/cairo-xcb-surface-render.c @@ -3336,9 +3336,11 @@ _composite_opacity_boxes (void *closure, info.opacity = mask_pattern->color.alpha; /* XXX for lots of boxes create a clip region for the fully opaque areas */ - for (i = 0; i < clip->num_boxes; i++) - do_unaligned_box(composite_opacity, &info, - &clip->boxes[i], dst_x, dst_y); + if (clip) { + for (i = 0; i < clip->num_boxes; i++) + do_unaligned_box(composite_opacity, &info, + &clip->boxes[i], dst_x, dst_y); + } cairo_surface_destroy (&info.src->base); return CAIRO_STATUS_SUCCESS;