Re: [PATCH] staging: rtl8192u/ieee80211: Fix sparse ieee80211_debug_init/_exit not declared warning

From: Greg Kroah-Hartman
Date: Mon Aug 11 2014 - 18:32:44 EST


On Mon, Aug 11, 2014 at 03:15:54PM -0700, Jeremiah Mahler wrote:
> A sparse warning is generated about 'ieee80211_debug_init' and
> 'ieee80211_debug_exit' not being declared.
>
> drivers/staging/rtl8192u/ieee80211/ieee80211_module.c:275:12: warning:
> symbol 'ieee80211_debug_init' was not declared. Should it be static?
> drivers/staging/rtl8192u/ieee80211/ieee80211_module.c:297:13: warning:
> symbol 'ieee80211_debug_exit' was not declared. Should it be static?
>
> These functions are used outside of this file so using static will not
> work. Fix the warning by declaring the functions in the header file,
> ieee80211.h
>
> Signed-off-by: Jeremiah Mahler <jmmahler@xxxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Cc: Teodora Baluta <teobaluta@xxxxxxxxx>
> Cc: Andrea Merello <andrea.merello@xxxxxxxxx>
> Cc: Joel Pelaez Jorge <joelpelaez@xxxxxxxxx>
> Cc: Bob Copeland <me@xxxxxxxxxxxxxxx>
> Cc: Joe Perches <joe@xxxxxxxxxxx>
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: Himangi Saraogi <himangi774@xxxxxxxxx>
> ---
> drivers/staging/rtl8192u/ieee80211/ieee80211.h | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211.h b/drivers/staging/rtl8192u/ieee80211/ieee80211.h
> index 1040bab..9cbda69 100644
> --- a/drivers/staging/rtl8192u/ieee80211/ieee80211.h
> +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211.h
> @@ -2485,6 +2485,12 @@ extern int ieee80211_wx_set_freq(struct ieee80211_device *ieee, struct iw_reques
> extern int ieee80211_wx_get_freq(struct ieee80211_device *ieee, struct iw_request_info *a,
> union iwreq_data *wrqu, char *b);
>
> +/* ieee80211_module.c */
> +#ifdef CONFIG_IEEE80211_DEBUG
> +extern int __init ieee80211_debug_init(void);
> +extern void __exit ieee80211_debug_exit(void);
> +#endif /* CONFIG_IEEE80211_DEBUG */
> +

As it's a header file, why not always have them here, no need for the
ifdef.

And __init and __exit don't belong in a .h function prototype.

thanks,

greg k-h
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