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drm/nouveau/acr: Abort loading ACR if no firmware was found

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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: 4b569ded09 ("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
This commit is contained in:
Karol Herbst 2023-05-22 22:18:38 +02:00
parent c177872cb0
commit 938a06c8b7
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/nouveau/nvkm/subdev/acr/base.c
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@ -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;