Re: [PATCH][V2] net: ethernet: slicoss: remove redundant initialization of idx

From: Lino Sanfilippo
Date: Tue Oct 31 2017 - 07:37:59 EST


On 31.10.2017 11:08, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> Variable idx is being initialized and later on over-written by
> a new value in a do-loop without the initial value ever being
> read. Hence the initializion is redundant and can be removed.
> Cleans up clang warning:
>
> drivers/net/ethernet/alacritech/slicoss.c:358:15: warning: Value
> stored to 'idx' during its initialization is never read
>
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
> drivers/net/ethernet/alacritech/slicoss.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/alacritech/slicoss.c b/drivers/net/ethernet/alacritech/slicoss.c
> index 15a8096c60df..0b60921c392f 100644
> --- a/drivers/net/ethernet/alacritech/slicoss.c
> +++ b/drivers/net/ethernet/alacritech/slicoss.c
> @@ -355,10 +355,10 @@ static void slic_xmit_complete(struct slic_device *sdev)
> {
> struct slic_tx_queue *txq = &sdev->txq;
> struct net_device *dev = sdev->netdev;
> - unsigned int idx = txq->done_idx;
> struct slic_tx_buffer *buff;
> unsigned int frames = 0;
> unsigned int bytes = 0;
> + unsigned int idx;
>
> /* Limit processing to SLIC_MAX_TX_COMPLETIONS frames to avoid that new
> * completions during processing keeps the loop running endlessly.
>

Acked-by: Lino Sanfilippo <LinoSanfilippo@xxxxxx>

Regards,
Lino