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drm/nouveau/core: don't leak oclass type bits to user

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Fixes not being able to init fence subsystem when multiple boards are
present.

Reported-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2014-09-05 09:01:21 +10:00
parent 4898ac046d
commit 2acc868319
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/nouveau/core/core/parent.c
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@ -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++;
}
}