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glamor: Bail CreatePixmap on unsupported pixmap depth

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Fixes crash in that case.

Bugzilla: https://bugs.freedesktop.org/106293
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michel Dänzer
2018-05-15 18:59:30 +02:00
committed by Michel Dänzer
parent 3dcfce8d0f
commit 65c9dfea4e
1 changed files with 3 additions and 0 deletions
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3
src/radeon_glamor.c
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@@ -214,6 +214,9 @@ radeon_glamor_create_pixmap(ScreenPtr screen, int w, int h, int depth,
struct radeon_pixmap *priv;
PixmapPtr pixmap, new_pixmap = NULL;
if (!xf86GetPixFormat(scrn, depth))
return NULL;
if (!RADEON_CREATE_PIXMAP_SHARED(usage)) {
if (info->shadow_primary) {
if (usage != CREATE_PIXMAP_USAGE_BACKING_PIXMAP)