diff options
| author | Karol Herbst <kherbst@redhat.com> | 2023-05-22 23:18:38 +0300 |
|---|---|---|
| committer | Karol Herbst <kherbst@redhat.com> | 2023-07-12 23:34:41 +0300 |
| commit | 938a06c8b7913455073506c33ae3bff029c3c4ef (patch) | |
| tree | f3dd6adb5fb46a165386ab7d08509dc42b5f7011 | |
| parent | c177872cb056e0b499af4717d8d1977017fd53df (diff) | |
| download | linux-938a06c8b7913455073506c33ae3bff029c3c4ef.tar.xz | |
drm/nouveau/acr: Abort loading ACR if no firmware was found
This fixes a NULL pointer access inside nvkm_acr_oneinit in case necessary
firmware files couldn't be loaded.
Closes: https://gitlab.freedesktop.org/drm/nouveau/-/issues/212
Fixes: 4b569ded09fd ("drm/nouveau/acr/ga102: initial support")
Signed-off-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230522201838.1496622-1-kherbst@redhat.com
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/acr/base.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/acr/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/base.c index 795f3a649b12..9b8ca4e898f9 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/acr/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/base.c @@ -224,7 +224,7 @@ nvkm_acr_oneinit(struct nvkm_subdev *subdev) u64 falcons; int ret, i; - if (list_empty(&acr->hsfw)) { + if (list_empty(&acr->hsfw) || !acr->func || !acr->func->wpr_layout) { nvkm_debug(subdev, "No HSFW(s)\n"); nvkm_acr_cleanup(acr); return 0; |