diff mbox series

[v2,-next] staging: vc04_services: fix used-but-set-variable warning

Message ID 20190726092621.27972-1-yuehaibing@huawei.com (mailing list archive)
State Mainlined
Commit db0e6a573e9c54151cdc828e80ab82849802337f
Headers show
Series [v2,-next] staging: vc04_services: fix used-but-set-variable warning | expand

Commit Message

Yue Haibing July 26, 2019, 9:26 a.m. UTC
Fix gcc used-but-set-variable warning:

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c: In function vchiq_release_internal:
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:2827:16: warning:
 variable local_entity_uc set but not used [-Wunused-but-set-variable]
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:2827:6: warning:
 variable local_uc set but not used [-Wunused-but-set-variable]

Remove the unused variables 'local_entity_uc' and 'local_uc'

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
v2: remove the unused variable
---
 drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

Comments

Stefan Wahren July 26, 2019, 3:57 p.m. UTC | #1
Hi Yue,

Am 26.07.19 um 11:26 schrieb YueHaibing:
> Fix gcc used-but-set-variable warning:

just a nit. It is call "unused-but-set-variable"

Acked-by: Stefan Wahren <wahrenst@gmx.net>

>
> drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c: In function vchiq_release_internal:
> drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:2827:16: warning:
>  variable local_entity_uc set but not used [-Wunused-but-set-variable]
> drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:2827:6: warning:
>  variable local_uc set but not used [-Wunused-but-set-variable]
>
> Remove the unused variables 'local_entity_uc' and 'local_uc'
>
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
> ---
Yue Haibing July 27, 2019, 1:33 a.m. UTC | #2
On 2019/7/26 23:57, Stefan Wahren wrote:
> Hi Yue,
> 
> Am 26.07.19 um 11:26 schrieb YueHaibing:
>> Fix gcc used-but-set-variable warning:
> 
> just a nit. It is call "unused-but-set-variable"

Oh, yes, thanks!

> 
> Acked-by: Stefan Wahren <wahrenst@gmx.net>
> 
>>
>> drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c: In function vchiq_release_internal:
>> drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:2827:16: warning:
>>  variable local_entity_uc set but not used [-Wunused-but-set-variable]
>> drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:2827:6: warning:
>>  variable local_uc set but not used [-Wunused-but-set-variable]
>>
>> Remove the unused variables 'local_entity_uc' and 'local_uc'
>>
>> Reported-by: Hulk Robot <hulkci@huawei.com>
>> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
>> ---
> 
> .
>
diff mbox series

Patch

diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
index cc4383d..b1595b1 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
@@ -2824,7 +2824,6 @@  vchiq_release_internal(struct vchiq_state *state, struct vchiq_service *service)
 	VCHIQ_STATUS_T ret = VCHIQ_SUCCESS;
 	char entity[16];
 	int *entity_uc;
-	int local_uc, local_entity_uc;
 
 	if (!arm_state)
 		goto out;
@@ -2849,8 +2848,8 @@  vchiq_release_internal(struct vchiq_state *state, struct vchiq_service *service)
 		ret = VCHIQ_ERROR;
 		goto unlock;
 	}
-	local_uc = --arm_state->videocore_use_count;
-	local_entity_uc = --(*entity_uc);
+	--arm_state->videocore_use_count;
+	--(*entity_uc);
 
 	if (!vchiq_videocore_wanted(state)) {
 		if (vchiq_platform_use_suspend_timer() &&