From f5e551873e5eaf506b2aa870f56a7ba10a51221b Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Tue, 24 Nov 2015 15:34:51 +1000 Subject: drm/nouveau/nvif: allow userspace access to its own client object Regression from "abi16: implement limited interoperability with usif/nvif". Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_usif.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/nouveau/nouveau_usif.c') diff --git a/drivers/gpu/drm/nouveau/nouveau_usif.c b/drivers/gpu/drm/nouveau/nouveau_usif.c index 89dc4ce..6ae1b34 100644 --- a/drivers/gpu/drm/nouveau/nouveau_usif.c +++ b/drivers/gpu/drm/nouveau/nouveau_usif.c @@ -313,7 +313,10 @@ usif_ioctl(struct drm_file *filp, void __user *user, u32 argc) if (nvif_unpack(argv->v0, 0, 0, true)) { /* block access to objects not created via this interface */ owner = argv->v0.owner; - argv->v0.owner = NVDRM_OBJECT_USIF; + if (argv->v0.object == 0ULL) + argv->v0.owner = NVDRM_OBJECT_ANY; /* except client */ + else + argv->v0.owner = NVDRM_OBJECT_USIF; } else goto done; -- cgit v1.1