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SubjectRe: [PATCH] drivers/net/usb/r8152: remove the unneeded variable "ret" in rtl8152_system_suspend
On 2018/8/9 10:28, Gustavo A. R. Silva wrote:
> Hi Zhong,
>
> On 8/8/18 8:39 PM, zhong jiang wrote:
>> rtl8152_system_suspend defines the variable "ret", but it is not modified
>> after initialization. So just remove it.
>>
> Thanks for working on this.
>
> I wonder if you are using any tool like Coccinelle to spot these sort
> of issues. If so, it'd be nice to mention that in the changelog.
Yes, I use the returnval.cocci to spot it. I will remember for next time.

Thanks,
zhong jiang
> The above is important for two reasons, one is to give credit to the people
> behind such tools, and the second one is to add support for metrics collection.
>
> Thanks
> --
> Gustavo
>
>
>> Signed-off-by: zhong jiang <zhongjiang@huawei.com>
>> ---
>> drivers/net/usb/r8152.c | 3 +--
>> 1 file changed, 1 insertion(+), 2 deletions(-)
>>
>> diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
>> index 124211a..9774270 100644
>> --- a/drivers/net/usb/r8152.c
>> +++ b/drivers/net/usb/r8152.c
>> @@ -4415,7 +4415,6 @@ static int rtl8152_runtime_suspend(struct r8152 *tp)
>> static int rtl8152_system_suspend(struct r8152 *tp)
>> {
>> struct net_device *netdev = tp->netdev;
>> - int ret = 0;
>>
>> netif_device_detach(netdev);
>>
>> @@ -4430,7 +4429,7 @@ static int rtl8152_system_suspend(struct r8152 *tp)
>> napi_enable(napi);
>> }
>>
>> - return ret;
>> + return 0;
>> }
>>
>> static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message)
>>
>


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