Re: [PATCH][next] usb: typec: mux: remove redundant check on variable match

From: Heikki Krogerus
Date: Tue Feb 19 2019 - 09:45:43 EST


On Tue, Feb 19, 2019 at 01:43:33PM +0000, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> All the code paths that lead to the return statement are where
> match is always true, hence the check to see if it is true is
> redundant and can be removed.
>
> Detected by CoverityScan, CID#14769672 ("Logically dead code")
>
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Acked-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>

> ---
> drivers/usb/typec/mux.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/usb/typec/mux.c b/drivers/usb/typec/mux.c
> index a5947d98824d..b94e2920eb38 100644
> --- a/drivers/usb/typec/mux.c
> +++ b/drivers/usb/typec/mux.c
> @@ -184,7 +184,7 @@ static void *typec_mux_match(struct device_connection *con, int ep, void *data)
> if (dev_fwnode(mux->dev) == con->fwnode)
> return mux;
>
> - return match ? ERR_PTR(-EPROBE_DEFER) : NULL;
> + return ERR_PTR(-EPROBE_DEFER);
> }
>
> /**
> --
> 2.20.1

thanks,

--
heikki