[Intel-wired-lan] [PATCH 1/6] igb: mark expected switch fall-through

Gustavo A. R. Silva gustavo at embeddedor.com
Wed May 8 17:59:47 UTC 2019


Hi Jeff,

I wonder if there is any chance for this series to be queued up for 5.2-rc1.

Thanks
--
Gustavo

On 4/24/19 11:42 AM, Gustavo A. R. Silva wrote:
> Hi Jeff,
> 
> I just wanted to check if this series has already been applied somewhere.
> 
> Thanks
> --
> Gustavo
> 
> On 3/29/19 6:38 PM, Jeff Kirsher wrote:
>> From: "Gustavo A. R. Silva" <gustavo at embeddedor.com>
>>
>> In preparation to enabling -Wimplicit-fallthrough, mark switch cases
>> where we are expecting to fall through.
>>
>> This patch fixes the following warning:
>>
>> drivers/net/ethernet/intel/igb/igb_main.c: In function ‘__igb_notify_dca’:
>> drivers/net/ethernet/intel/igb/igb_main.c:6694:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
>>    if (dca_add_requester(dev) == 0) {
>>       ^
>> drivers/net/ethernet/intel/igb/igb_main.c:6701:2: note: here
>>   case DCA_PROVIDER_REMOVE:
>>   ^~~~
>>
>> Warning level 3 was used: -Wimplicit-fallthrough=3
>>
>> Notice that, in this particular case, the code comment is modified
>> in accordance with what GCC is expecting to find.
>>
>> This patch is part of the ongoing efforts to enable
>> -Wimplicit-fallthrough.
>>
>> Signed-off-by: "Gustavo A. R. Silva" <gustavo at embeddedor.com>
>> ---
>>  drivers/net/ethernet/intel/igb/igb_main.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
>> index 834e879e1d57..e8042b0254bc 100644
>> --- a/drivers/net/ethernet/intel/igb/igb_main.c
>> +++ b/drivers/net/ethernet/intel/igb/igb_main.c
>> @@ -6701,7 +6701,7 @@ static int __igb_notify_dca(struct device *dev, void *data)
>>  			igb_setup_dca(adapter);
>>  			break;
>>  		}
>> -		/* Fall Through since DCA is disabled. */
>> +		/* Fall Through - since DCA is disabled. */
>>  	case DCA_PROVIDER_REMOVE:
>>  		if (adapter->flags & IGB_FLAG_DCA_ENABLED) {
>>  			/* without this a class_device is left
>>
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