diff mbox

[next] wcn36xx: remove redundant assignment to msg_body.min_ch_time

Message ID 20171219170401.15154-1-colin.king@canonical.com (mailing list archive)
State Changes Requested
Delegated to: Kalle Valo
Headers show

Commit Message

Colin King Dec. 19, 2017, 5:04 p.m. UTC
From: Colin Ian King <colin.king@canonical.com>

msg_body.min_ch_time is being assigned twice; remove the redundant
first assignment.

Detected by CoverityScan, CID#1463042 ("Unused Value")

Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/net/wireless/ath/wcn36xx/smd.c | 1 -
 1 file changed, 1 deletion(-)

Comments

Bjorn Andersson Dec. 26, 2017, 8:13 p.m. UTC | #1
On Tue 19 Dec 09:04 PST 2017, Colin King wrote:

> From: Colin Ian King <colin.king@canonical.com>
> 
> msg_body.min_ch_time is being assigned twice; remove the redundant
> first assignment.
> 
> Detected by CoverityScan, CID#1463042 ("Unused Value")
> 

Happy to see Coverity working for us :)


This should have had a:

Fixes: 2f3bef4b247e ("wcn36xx: Add hardware scan offload support")

> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---
>  drivers/net/wireless/ath/wcn36xx/smd.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c
> index 2914618a0335..bab2eca5fcac 100644
> --- a/drivers/net/wireless/ath/wcn36xx/smd.c
> +++ b/drivers/net/wireless/ath/wcn36xx/smd.c
> @@ -625,7 +625,6 @@ int wcn36xx_smd_start_hw_scan(struct wcn36xx *wcn, struct ieee80211_vif *vif,
>  	INIT_HAL_MSG(msg_body, WCN36XX_HAL_START_SCAN_OFFLOAD_REQ);
>  
>  	msg_body.scan_type = WCN36XX_HAL_SCAN_TYPE_ACTIVE;
> -	msg_body.min_ch_time = 30;
>  	msg_body.min_ch_time = 100;

But I strongly suspect the second line is supposed to be max_ch_time.

@Loic, do you agree?

Regards,
Bjorn
Loic Poulain Dec. 29, 2017, 7:44 a.m. UTC | #2
Hi Colin, Bjorn,

On 26 December 2017 at 21:13, Bjorn Andersson
<bjorn.andersson@linaro.org> wrote:
> On Tue 19 Dec 09:04 PST 2017, Colin King wrote:
>
>> From: Colin Ian King <colin.king@canonical.com>
>>
>> msg_body.min_ch_time is being assigned twice; remove the redundant
>> first assignment.
>>
>> Detected by CoverityScan, CID#1463042 ("Unused Value")
>>
>
> Happy to see Coverity working for us :)
>
>
> This should have had a:
>
> Fixes: 2f3bef4b247e ("wcn36xx: Add hardware scan offload support")
>
>> Signed-off-by: Colin Ian King <colin.king@canonical.com>
>> ---
>>  drivers/net/wireless/ath/wcn36xx/smd.c | 1 -
>>  1 file changed, 1 deletion(-)
>>
>> diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c
>> index 2914618a0335..bab2eca5fcac 100644
>> --- a/drivers/net/wireless/ath/wcn36xx/smd.c
>> +++ b/drivers/net/wireless/ath/wcn36xx/smd.c
>> @@ -625,7 +625,6 @@ int wcn36xx_smd_start_hw_scan(struct wcn36xx *wcn, struct ieee80211_vif *vif,
>>       INIT_HAL_MSG(msg_body, WCN36XX_HAL_START_SCAN_OFFLOAD_REQ);
>>
>>       msg_body.scan_type = WCN36XX_HAL_SCAN_TYPE_ACTIVE;
>> -     msg_body.min_ch_time = 30;
>>       msg_body.min_ch_time = 100;
>
> But I strongly suspect the second line is supposed to be max_ch_time.
>
> @Loic, do you agree?

You're absolutely right.
Colin could you please update your patch accordingly?

Regards,
Loic
Colin King Dec. 29, 2017, 10:52 a.m. UTC | #3
On 29/12/17 07:44, Loic Poulain wrote:
> Hi Colin, Bjorn,
> 
> On 26 December 2017 at 21:13, Bjorn Andersson
> <bjorn.andersson@linaro.org> wrote:
>> On Tue 19 Dec 09:04 PST 2017, Colin King wrote:
>>
>>> From: Colin Ian King <colin.king@canonical.com>
>>>
>>> msg_body.min_ch_time is being assigned twice; remove the redundant
>>> first assignment.
>>>
>>> Detected by CoverityScan, CID#1463042 ("Unused Value")
>>>
>>
>> Happy to see Coverity working for us :)
>>
>>
>> This should have had a:
>>
>> Fixes: 2f3bef4b247e ("wcn36xx: Add hardware scan offload support")
>>
>>> Signed-off-by: Colin Ian King <colin.king@canonical.com>
>>> ---
>>>  drivers/net/wireless/ath/wcn36xx/smd.c | 1 -
>>>  1 file changed, 1 deletion(-)
>>>
>>> diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c
>>> index 2914618a0335..bab2eca5fcac 100644
>>> --- a/drivers/net/wireless/ath/wcn36xx/smd.c
>>> +++ b/drivers/net/wireless/ath/wcn36xx/smd.c
>>> @@ -625,7 +625,6 @@ int wcn36xx_smd_start_hw_scan(struct wcn36xx *wcn, struct ieee80211_vif *vif,
>>>       INIT_HAL_MSG(msg_body, WCN36XX_HAL_START_SCAN_OFFLOAD_REQ);
>>>
>>>       msg_body.scan_type = WCN36XX_HAL_SCAN_TYPE_ACTIVE;
>>> -     msg_body.min_ch_time = 30;
>>>       msg_body.min_ch_time = 100;
>>
>> But I strongly suspect the second line is supposed to be max_ch_time.
>>
>> @Loic, do you agree?
> 
> You're absolutely right.
> Colin could you please update your patch accordingly?

Resent as "wcn36xx: fix incorrect assignment to msg_body.min_ch_time"

> 
> Regards,
> Loic
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diff mbox

Patch

diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c
index 2914618a0335..bab2eca5fcac 100644
--- a/drivers/net/wireless/ath/wcn36xx/smd.c
+++ b/drivers/net/wireless/ath/wcn36xx/smd.c
@@ -625,7 +625,6 @@  int wcn36xx_smd_start_hw_scan(struct wcn36xx *wcn, struct ieee80211_vif *vif,
 	INIT_HAL_MSG(msg_body, WCN36XX_HAL_START_SCAN_OFFLOAD_REQ);
 
 	msg_body.scan_type = WCN36XX_HAL_SCAN_TYPE_ACTIVE;
-	msg_body.min_ch_time = 30;
 	msg_body.min_ch_time = 100;
 	msg_body.scan_hidden = 1;
 	memcpy(msg_body.mac, vif->addr, ETH_ALEN);