Re: [PATCH] net: ns83820: drop pointless static qualifier in ns83820_probe_phy()

Julia Lawall
2019-02-19T08:01:49Z

On Tue, 19 Feb 2019, Mao Wenan wrote:

> There is no need to have the 'int first' static
> since new value always be assigned before use it.
> The old codes of first dereferencing this variable have
> been commented out. So it is useless with 'static int first'.
> /*
> if (!first) {
> ...
> }
> */
> first = 1;

Do you need the variable at all?

In the code, the commenting out is actually done with #if 0. It could be
good for the commit log to reflect the code more accurately.

Can the #if 0 and code be removed? Apparently it predates git.

A commented out printk below also predates git.

julia

>
> Signed-off-by: Mao Wenan <maowenan@huawei.com>
> ---
> drivers/net/ethernet/natsemi/ns83820.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/natsemi/ns83820.c b/drivers/net/ethernet/natsemi/ns83820.c
> index 958fced4dacf..fb064df3a1a6 100644
> --- a/drivers/net/ethernet/natsemi/ns83820.c
> +++ b/drivers/net/ethernet/natsemi/ns83820.c
> @@ -1869,7 +1869,7 @@ static unsigned ns83820_mii_write_reg(struct ns83820 *dev, unsigned phy, unsigne
> static void ns83820_probe_phy(struct net_device *ndev)
> {
> struct ns83820 *dev = PRIV(ndev);
> - static int first;
> + int first;
> int i;
> #define MII_PHYIDR1 0x02
> #define MII_PHYIDR2 0x03
> --
> 2.20.1
>
>