From 2acc868319ed03c0e4b2f747c104d7e2ec0a841f Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Fri, 5 Sep 2014 09:01:21 +1000 Subject: [PATCH] drm/nouveau/core: don't leak oclass type bits to user Fixes not being able to init fence subsystem when multiple boards are present. Reported-by: Ilia Mirkin Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/core/core/parent.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/nouveau/core/core/parent.c b/drivers/gpu/drm/nouveau/core/core/parent.c index 8701968a9743..30a2911878f8 100644 --- a/drivers/gpu/drm/nouveau/core/core/parent.c +++ b/drivers/gpu/drm/nouveau/core/core/parent.c @@ -86,7 +86,7 @@ nouveau_parent_lclass(struct nouveau_object *parent, u32 *lclass, int size) sclass = nv_parent(parent)->sclass; while (sclass) { if (++nr < size) - lclass[nr] = sclass->oclass->handle; + lclass[nr] = sclass->oclass->handle & 0xffff; sclass = sclass->sclass; } @@ -96,7 +96,7 @@ nouveau_parent_lclass(struct nouveau_object *parent, u32 *lclass, int size) if (engine && (oclass = engine->sclass)) { while (oclass->ofuncs) { if (++nr < size) - lclass[nr] = oclass->handle; + lclass[nr] = oclass->handle & 0xffff; oclass++; } } -- 2.39.5