Mesa/u_mesa-CVE-2023-45913-s390x.patch

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src/glx/dri2_glx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/src/glx/dri2_glx.c
+++ b/src/glx/dri2_glx.c
@@ -1399,7 +1399,7 @@ dri2GetGlxDrawableFromXDrawableId(Displa
struct dri2_display *pdp = (struct dri2_display *) d->dri2Display;
__GLXDRIdrawable *pdraw;
- if (__glxHashLookup(pdp->dri2Hash, id, (void *) &pdraw) == 0)
+ if (pdp && __glxHashLookup(pdp->dri2Hash, id, (void *) &pdraw) == 0)
return pdraw;
return NULL;