Subject: Re: [PATCH] rtl8xxxu: mark symbol static where possible

From: Jakub Sitnicki <[email-masked]>
Date: Wed, 26 Oct 2016 14:37:15 +0200

On Wed, Oct 26, 2016 at 09:32 AM GMT, Baoyou Xie wrote:
> We get 1 warning when building kernel with W=1:
> drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c:1557:6: warning: no previous prototype for 'rtl8192eu_power_off' [-Wmissing-prototypes]
>
> In fact, this function is only used in the file in which it is
> declared and don't need a declaration, but can be made static.
> So this patch marks this function with 'static'.
>
> Signed-off-by: Baoyou Xie <[email-masked]>
> ---
>  drivers/net/dsa/mv88e6xxx/chip.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
> index 883fd98..4d975f0 100644
> --- a/drivers/net/dsa/mv88e6xxx/chip.c
> +++ b/drivers/net/dsa/mv88e6xxx/chip.c
> @@ -2701,7 +2701,7 @@ static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port)
>  	return mv88e6xxx_port_write(chip, port, PORT_DEFAULT_VLAN, 0x0000);
>  }
>  
> -int mv88e6xxx_g1_set_switch_mac(struct mv88e6xxx_chip *chip, u8 *addr)
> +static int mv88e6xxx_g1_set_switch_mac(struct mv88e6xxx_chip *chip, u8 *addr)
>  {
>  	int err;

Probably a mix-up - your patch doesn't match the description.

Thanks,
Jakub