drm/nouveau/nvif: modify nvif_unvers/nvif_unpack macros to be more obvious
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/cursnv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/cursnv50.c
index 3e9d27e..8b13204 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/cursnv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/cursnv50.c
@@ -42,10 +42,10 @@
} *args = data;
struct nvkm_object *parent = oclass->parent;
struct nv50_disp *disp = root->disp;
- int head, ret;
+ int head, ret = -ENOSYS;
nvif_ioctl(parent, "create disp cursor size %d\n", size);
- if (nvif_unpack(args->v0, 0, 0, false)) {
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(parent, "create disp cursor vers %d head %d\n",
args->v0.version, args->v0.head);
if (args->v0.head > disp->base.head.nr)