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Re: [PATCH] rtlwifi: rtl8192c: Add init codes for "fw_version" and "fw_subversion".

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2015-06-07 1:18 GMT+09:00 Larry Finger <Larry.Finger@xxxxxxxxxxxx>:
> On 06/06/2015 06:02 AM, Taehee Yoo wrote:
>>
>> The variable "fw_version" is used in the _ResetDigitalProcedure1().
>> but It is not initialized. so I add init codes for "fw_version" and
>> "fw_subversion".
>>
>> Signed-off-by: Taehee Yoo <ap420073@xxxxxxxxx>
>> ---
>>   drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c | 2 ++
>>   1 file changed, 2 insertions(+)
>>
>> diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c
>> b/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c
>> index 29983bc..9b5ce28 100644
>> --- a/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c
>> +++ b/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c
>> @@ -233,6 +233,8 @@ int rtl92c_download_fw(struct ieee80211_hw *hw)
>>         pfwheader = (struct rtl92c_firmware_header *)rtlhal->pfirmware;
>>         pfwdata = (u8 *)rtlhal->pfirmware;
>>         fwsize = rtlhal->fwsize;
>> +       rtlhal->fw_version = pfwheader->version;
>> +       rtlhal->fw_subversion = pfwheader->subversion;
>>
>>         if (IS_FW_HEADER_EXIST(pfwheader)) {
>>                 RT_TRACE(rtlpriv, COMP_FW, DBG_DMESG,
>
>
> This patch is not correct. If the firmware does not have a header, then you
> will be changing fw_version and fw_subversion to random bytes from the body
> of the firmware. At present, they are initialized to zero as part of the
> rtl_priv struct. You need to move the two new statements inside the
> IS_FW_HEADER_EXIST test, but before pfwdata is adjusted to remove the
> header.
>
> Larry
>
>

Thank you for your review!
I will resend a patch as V2.
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