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-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.c b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.c
index b1e565237575..372d29521fd8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.c
@@ -888,6 +888,13 @@ acr_r352_new_(const struct acr_r352_func *func,
unsigned long managed_falcons)
{
struct acr_r352 *acr;
+ int i;
+
+ /* Check that all requested falcons are supported */
+ for_each_set_bit(i, &managed_falcons, NVKM_SECBOOT_FALCON_END) {
+ if (!func->ls_func[i])
+ return ERR_PTR(-ENOTSUPP);
+ }
acr = kzalloc(sizeof(*acr), GFP_KERNEL);
if (!acr)