On Sat, Jan 24, 2015 at 12:34 PM, Hong Xu <hong@xxxxxxxxxx> wrote:
> ath9k and ath9k_htc use the variable name "led_blink" to indicate
> whether the module parameter "blink" is on. This name is easy to
> conflict with other variables, and has caused a compiler error found
> by kbuild test bot. The compiler error is as following:
>
> drivers/net/wireless/ath/ath9k/ath9k_htc.o:(.data+0x47c): multiple definition of `led_blink'
> drivers/net/wireless/ath/ath9k/ath9k.o:(.bss+0x20): first defined here
>
> Fixes: 3a939a671225 ("ath9k_htc: Add a module parameter to disable blink")
> Reported-by: kbuild test robot <fengguang.wu@xxxxxxxxx>
> Signed-off-by: Hong Xu <hong@xxxxxxxxxx>
> ---
> Compared to previous versions, the commit message is improved to fit
> the contribution guideline (again).
> ---
This looks good.
( As said please have a look at [1]. )
I have one thing for followers of (linux-wireless) mailing-lists in general.
If your patch is against a special Git tree, please add a
"subject-prefix" and/or put a note in the commit-body.
For example: "This patch is against wireless-drivers-next or
linux-next (next-2015-01-23)."
This is very helpful.
Think also of patches listed and downloadable from patchwork-service [2].
$ git format-patch --subject-prefix="PATCH wireless-drivers-next" ...
( Maybe w-d-n or w-d-next is a good abbreviation :-). )
- Sedat -
[1] http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/Documentation/SubmittingPatches
[2] https://patchwork.kernel.org/project/linux-wireless/list/
> drivers/net/wireless/ath/ath9k/ath9k.h | 2 +-
> drivers/net/wireless/ath/ath9k/gpio.c | 2 +-
> drivers/net/wireless/ath/ath9k/htc.h | 2 +-
> drivers/net/wireless/ath/ath9k/htc_drv_gpio.c | 2 +-
> drivers/net/wireless/ath/ath9k/htc_drv_init.c | 4 ++--
> drivers/net/wireless/ath/ath9k/init.c | 4 ++--
> 6 files changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
> index 1a9fe09..e84b576 100644
> --- a/drivers/net/wireless/ath/ath9k/ath9k.h
> +++ b/drivers/net/wireless/ath/ath9k/ath9k.h
> @@ -34,7 +34,7 @@ struct ath_vif;
>
> extern struct ieee80211_ops ath9k_ops;
> extern int ath9k_modparam_nohwcrypt;
> -extern int led_blink;
> +extern int ath9k_led_blink;
> extern bool is_ath9k_unloaded;
> extern int ath9k_use_chanctx;
>
> diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c
> index 2fef7a4..da344b2 100644
> --- a/drivers/net/wireless/ath/ath9k/gpio.c
> +++ b/drivers/net/wireless/ath/ath9k/gpio.c
> @@ -49,7 +49,7 @@ void ath_init_leds(struct ath_softc *sc)
> if (AR_SREV_9100(sc->sc_ah))
> return;
>
> - if (!led_blink)
> + if (!ath9k_led_blink)
> sc->led_cdev.default_trigger =
> ieee80211_get_radio_led_name(sc->hw);
>
> diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h
> index c43fec5..300d367 100644
> --- a/drivers/net/wireless/ath/ath9k/htc.h
> +++ b/drivers/net/wireless/ath/ath9k/htc.h
> @@ -45,7 +45,7 @@
> extern struct ieee80211_ops ath9k_htc_ops;
> extern int htc_modparam_nohwcrypt;
> #ifdef CONFIG_MAC80211_LEDS
> -extern int led_blink;
> +extern int ath9k_htc_led_blink;
> #endif
>
> enum htc_phymode {
> diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c
> index 998b558..2aabcbd 100644
> --- a/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c
> +++ b/drivers/net/wireless/ath/ath9k/htc_drv_gpio.c
> @@ -279,7 +279,7 @@ void ath9k_init_leds(struct ath9k_htc_priv *priv)
> else
> priv->ah->led_pin = ATH_LED_PIN_DEF;
>
> - if (!led_blink)
> + if (!ath9k_htc_led_blink)
> priv->led_cdev.default_trigger =
> ieee80211_get_radio_led_name(priv->hw);
>
> diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
> index 9470127..fd22940 100644
> --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
> +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
> @@ -39,8 +39,8 @@ module_param_named(ps_enable, ath9k_ps_enable, int, 0444);
> MODULE_PARM_DESC(ps_enable, "Enable WLAN PowerSave");
>
> #ifdef CONFIG_MAC80211_LEDS
> -int led_blink = 1;
> -module_param_named(blink, led_blink, int, 0444);
> +int ath9k_htc_led_blink = 1;
> +module_param_named(blink, ath9k_htc_led_blink, int, 0444);
> MODULE_PARM_DESC(blink, "Enable LED blink on activity");
>
> static const struct ieee80211_tpt_blink ath9k_htc_tpt_blink[] = {
> diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
> index d1c3934..2aef14e 100644
> --- a/drivers/net/wireless/ath/ath9k/init.c
> +++ b/drivers/net/wireless/ath/ath9k/init.c
> @@ -45,8 +45,8 @@ int ath9k_modparam_nohwcrypt;
> module_param_named(nohwcrypt, ath9k_modparam_nohwcrypt, int, 0444);
> MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption");
>
> -int led_blink;
> -module_param_named(blink, led_blink, int, 0444);
> +int ath9k_led_blink;
> +module_param_named(blink, ath9k_led_blink, int, 0444);
> MODULE_PARM_DESC(blink, "Enable LED blink on activity");
>
> static int ath9k_btcoex_enable;
> --
> 2.2.2
>
> --
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