linux-kernel - Re: linux-next: build failure after merge of the staging tree

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Date:   Thu, 4 May 2017 16:41:50 -0700
From:   Greg KH <greg@...ah.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Johannes Berg <johannes@...solutions.net>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Avraham Stern <avraham.stern@...el.com>,
        Luca Coelho <luciano.coelho@...el.com>
Subject: Re: linux-next: build failure after merge of the staging tree

On Mon, May 01, 2017 at 02:42:18PM +1000, Stephen Rothwell wrote:
> Hi Greg,
> 
> After merging the staging tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c: In function 'rtw_cfg80211_indicate_connect':
> drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:552:6: error: passing argument 2 of 'cfg80211_roamed' from incompatible pointer type [-Werror=incompatible-pointer-types]
>     , notify_channel
>       ^
> In file included from drivers/staging/rtl8723bs/include/osdep_service_linux.h:50:0,
>                  from drivers/staging/rtl8723bs/include/osdep_service.h:23,
>                  from drivers/staging/rtl8723bs/include/drv_types.h:29,
>                  from drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:17:
> include/net/cfg80211.h:5435:6: note: expected 'struct cfg80211_roam_info *' but argument is of type 'struct ieee80211_channel *'
>  void cfg80211_roamed(struct net_device *dev, struct cfg80211_roam_info *info,
>       ^
> drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:553:6: warning: passing argument 3 of 'cfg80211_roamed' makes integer from pointer without a cast [-Wint-conversion]
>     , cur_network->network.MacAddress
>       ^
> In file included from drivers/staging/rtl8723bs/include/osdep_service_linux.h:50:0,
>                  from drivers/staging/rtl8723bs/include/osdep_service.h:23,
>                  from drivers/staging/rtl8723bs/include/drv_types.h:29,
>                  from drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:17:
> include/net/cfg80211.h:5435:6: note: expected 'gfp_t {aka unsigned int}' but argument is of type 'unsigned char *'
>  void cfg80211_roamed(struct net_device *dev, struct cfg80211_roam_info *info,
>       ^
> drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:551:3: error: too many arguments to function 'cfg80211_roamed'
>    cfg80211_roamed(padapter->pnetdev
>    ^
> In file included from drivers/staging/rtl8723bs/include/osdep_service_linux.h:50:0,
>                  from drivers/staging/rtl8723bs/include/osdep_service.h:23,
>                  from drivers/staging/rtl8723bs/include/drv_types.h:29,
>                  from drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:17:
> include/net/cfg80211.h:5435:6: note: declared here
>  void cfg80211_roamed(struct net_device *dev, struct cfg80211_roam_info *info,
>       ^
> 
> Caused by commit
> 
>   554c0a3abf21 ("staging: Add rtl8723bs sdio wifi driver")
> 
> interacting with commit
> 
>   29ce6ecbb83c ("cfg80211: unify cfg80211_roamed() and cfg80211_roamed_bss()")
> 
> from the mac80211-next tree.
> 
> I applied the following merge fix patch.
> 
> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Mon, 1 May 2017 14:34:17 +1000
> Subject: [PATCH] staging: rtl8723bs: fix up for cfg80211_roamed() API change
> 
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> ---
>  drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c | 20 ++++++++++++--------
>  1 file changed, 12 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
> index f092a72bffda..5e7a61f24f8d 100644
> --- a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
> +++ b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
> @@ -542,20 +542,24 @@ void rtw_cfg80211_indicate_connect(struct adapter *padapter)
>  		struct ieee80211_channel *notify_channel;
>  		u32 freq;
>  		u16 channel = cur_network->network.Configuration.DSConfig;
> +		struct cfg80211_roam_info roam_info = {};
>  
>  		freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
>  
>  		notify_channel = ieee80211_get_channel(wiphy, freq);
>  
>  		DBG_871X(FUNC_ADPT_FMT" call cfg80211_roamed\n", FUNC_ADPT_ARG(padapter));
> -		cfg80211_roamed(padapter->pnetdev
> -			, notify_channel
> -			, cur_network->network.MacAddress
> -			, pmlmepriv->assoc_req+sizeof(struct ieee80211_hdr_3addr)+2
> -			, pmlmepriv->assoc_req_len-sizeof(struct ieee80211_hdr_3addr)-2
> -			, pmlmepriv->assoc_rsp+sizeof(struct ieee80211_hdr_3addr)+6
> -			, pmlmepriv->assoc_rsp_len-sizeof(struct ieee80211_hdr_3addr)-6
> -			, GFP_ATOMIC);
> +		roam_info.channel = notify_channel;
> +		roam_info.bssid = cur_network->network.MacAddress;
> +		roam_info.req_ie =
> +			pmlmepriv->assoc_req+sizeof(struct ieee80211_hdr_3addr)+2;
> +		roam_info.req_ie_len =
> +			pmlmepriv->assoc_req_len-sizeof(struct ieee80211_hdr_3addr)-2;
> +		roam_info.resp_ie =
> +			pmlmepriv->assoc_rsp+sizeof(struct ieee80211_hdr_3addr)+6;
> +		roam_info.resp_ie_len =
> +			pmlmepriv->assoc_rsp_len-sizeof(struct ieee80211_hdr_3addr)-6;
> +		cfg80211_roamed(padapter->pnetdev, &roam_info, GFP_ATOMIC);
>  	}
>  	else
>  	{
> -- 
> 2.11.0
> 

Thanks for the patch, that's the joy of adding new drivers...

greg k-h