linux-kernel - Re: [PATCH v2] Staging: rtl8192e: Fix sparse warning

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Message-ID: <5341A72C.6050408@gmail.com>
Date:	Sun, 06 Apr 2014 14:12:44 -0500
From:	Joel Pelaez Jorge <joelpelaez@...il.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:	Silvan Jegen <s.jegen@...il.com>, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] Staging: rtl8192e: Fix sparse warning

El 06/04/14 14:01, Greg Kroah-Hartman escribió:
> On Sun, Apr 06, 2014 at 01:43:38PM -0500, Joel Pelaez Jorge wrote:
>> Fix a sparse warning, non static symbol is no declared as such.
>> And fix a conflict with static function declared extern to include
>> rtl_wx.h header.
>>
>> drivers/staging/rtl8192e/rtl8192e/rtl_wx.c:1323:24: warning:
>> symbol 'r8192_wx_handlers_def' was not declared. Should it be static?
>>
>> Signed-off-by: Joel Pelaez Jorge <joelpelaez@...il.com>
>> ---
>>    drivers/staging/rtl8192e/rtl8192e/rtl_wx.c |    3 ++-
>>    1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
>> b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
>> index 498995d..f17584d 100644
>> --- a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
>> +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
>> @@ -19,6 +19,7 @@
>>
>>    #include <linux/string.h>
>>    #include "rtl_core.h"
>> +#include "rtl_wx.h"
>
> Why is this needed?
>
>>
>>    #define RATE_COUNT 12
>>    static u32 rtl8192_rates[] = {
>> @@ -1293,7 +1294,7 @@ static iw_handler r8192_private_handler[] = {
>>    	(iw_handler)r8192_wx_get_PromiscuousMode,
>>    };
>>
>> -static struct iw_statistics *r8192_get_wireless_stats(struct net_device
>> *dev)
>> +struct iw_statistics *r8192_get_wireless_stats(struct net_device *dev)
>
> Why make this global?  This doesn't have anything to do with the warning
> you are working on as described above.
>
> totally confused,
>
> greg k-h
>
 >
In the "rtl_wx.h" header declare extern 'r8192_wx_handlers_def'
but r8192_get_wireless_stats too. Because r8192_get_wireless_stats
is used by rtl_core.h if WIRELESS_EXT is more that 12 but less that 17.
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