Re: [PATCH] drm/nouveau: fix missing break in switch statement

[Gustavo A. R. Silva]

On 1/29/19 2:49 PM, Gustavo A. R. Silva wrote:
> 
> 
> On 10/8/18 3:47 PM, Colin King wrote:
>> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>>
>> The NOUVEAU_GETPARAM_PCI_DEVICE case is missing a break statement and falls
>> through to the following NOUVEAU_GETPARAM_BUS_TYPE case and may end up
>> re-assigning the getparam->value to an undesired value. Fix this by adding
>> in the missing break.
>>
>> Detected by CoverityScan, CID#1460507 ("Missing break in switch")
>>
>> Fixes: 359088d5b8ec ("drm/nouveau: remove trivial cases of nvxx_device() usage")
>> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> 
> Reviewed-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
> 
> Friendly ping:
> 
> Who can take this?
> 

BTW, this should be tagged for stable:

Cc: stable@xxxxxxxxxxxxxxx

Thanks
--
Gustavo


>> ---
>>  drivers/gpu/drm/nouveau/nouveau_abi16.c | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c
>> index e67a471331b5..6ec745873bc5 100644
>> --- a/drivers/gpu/drm/nouveau/nouveau_abi16.c
>> +++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c
>> @@ -214,6 +214,7 @@ nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS)
>>  			WARN_ON(1);
>>  			break;
>>  		}
>> +		break;
>>  	case NOUVEAU_GETPARAM_FB_SIZE:
>>  		getparam->value = drm->gem.vram_available;
>>  		break;
>>