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drm/nouveau/secboot: make sure requested falcons are supported

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Check at contruction time that we have support for all the LS firmwares
asked by the caller.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Alexandre Courbot 2017-01-23 12:48:09 +09:00 committed by Ben Skeggs
parent 489a5fe868
commit a335f078df
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.c
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@ -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)