lkml.org 
[lkml]   [2020]   [Jul]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH -next] net: ena: use NULL instead of zero
Date

Joe Perches <joe@perches.com> writes:

> On Sat, 2020-07-18 at 19:56 +0800, Wang Hai wrote:
>> Fix sparse build warning:
>>
>> drivers/net/ethernet/amazon/ena/ena_netdev.c:2193:34: warning:
>> Using plain integer as NULL pointer
>
> Better to remove the initialization altogether and
> move the declaration into the loop.
>
>> diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c
>> b/drivers/net/ethernet/amazon/ena/ena_netdev.c
> []
>> @@ -2190,7 +2190,7 @@ static void ena_del_napi_in_range(struct
>> ena_adapter *adapter,
>> static void ena_init_napi_in_range(struct ena_adapter
>> *adapter,
>> int first_index, int count)
>> {
>> - struct ena_napi *napi = {0};
>> + struct ena_napi *napi = NULL;
>> int i;
>>
>> for (i = first_index; i < first_index + count; i++) {
>
> ---
> drivers/net/ethernet/amazon/ena/ena_netdev.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c
> b/drivers/net/ethernet/amazon/ena/ena_netdev.c
> index 91be3ffa1c5c..470d8f38b824 100644
> --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
> +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
> @@ -2190,11 +2190,10 @@ static void ena_del_napi_in_range(struct
> ena_adapter *adapter,
> static void ena_init_napi_in_range(struct ena_adapter *adapter,
> int first_index, int count)
> {
> - struct ena_napi *napi = {0};
> int i;
>
> for (i = first_index; i < first_index + count; i++) {
> - napi = &adapter->ena_napi[i];
> + struct ena_napi *napi = &adapter->ena_napi[i];
>
> netif_napi_add(adapter->netdev,
> &adapter->ena_napi[i].napi,

We prefer the second variant as it improves code readability imo.
Thank you both for the time you invested in it (:

Acked-by: Shay Agroskin <shayagr@amazon.com>

\
 
 \ /
  Last update: 2020-07-19 12:09    [W:0.073 / U:0.052 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site