linux-kernel - Re: [PATCH] rtl8xxxu: mark symbol static where possible

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Date:   Wed, 26 Oct 2016 11:56:13 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     jkbs@...hat.com
Cc:     baoyou.xie@...aro.org, andrew@...n.ch,
        vivien.didelot@...oirfairelinux.com, f.fainelli@...il.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        arnd@...db.de, xie.baoyou@....com.cn, han.fei@....com.cn,
        tang.qiang007@....com.cn
Subject: Re: [PATCH] rtl8xxxu: mark symbol static where possible

From: Jakub Sitnicki <jkbs@...hat.com>
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 <baoyou.xie@...aro.org>
>> ---
>>  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.

Agreed, please fix your subject line and commit message.