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SubjectRe: [PATCH AUTOSEL 4.14 2/8] drm/nouveau: make sure ret is initialized in nouveau_ttm_io_mem_reserve
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Hi Sasha,

please don't apply this patch to any older kernel.

The fix was only needed for a patch which went in with the 5.10 pull
request.

Thanks,
Christian.

Am 12.12.20 um 17:08 schrieb Sasha Levin:
> From: Christian König <christian.koenig@amd.com>
>
> [ Upstream commit aea656b0d05ec5b8ed5beb2f94c4dd42ea834e9d ]
>
> This wasn't initialized for pre NV50 hardware.
>
> Signed-off-by: Christian König <christian.koenig@amd.com>
> Reported-and-Tested-by: Mark Hounschell <markh@compro.net>
> Reviewed-by: Karol Herbst <kherbst@redhat.com>
> Link: https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpatchwork.freedesktop.org%2Fseries%2F84298%2F&amp;data=04%7C01%7Cchristian.koenig%40amd.com%7C664e6201322444b319e908d89eb83eda%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637433861463180140%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=OQ2BSmlDxz%2BPGq6aDpQBaXjQgO0wdt6y6KlCzIIFVso%3D&amp;reserved=0
> Signed-off-by: Sasha Levin <sashal@kernel.org>
> ---
> drivers/gpu/drm/nouveau/nouveau_bo.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
> index e427f80344c4d..fddbe66935464 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_bo.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
> @@ -1375,6 +1375,7 @@ nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *reg)
> nvkm_vm_map(&mem->bar_vma, mem);
> reg->bus.offset = mem->bar_vma.offset;
> }
> + ret = 0;
> break;
> default:
> return -EINVAL;

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