On Tue, Feb 11, 2020 at 09:43:56PM +0800, YueHaibing wrote:
> drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c: In function
> vchiq_use_internal:
> drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:2346:16:
> warning: variable local_entity_uc set but not used
> [-Wunused-but-set-variable]
>
> commit bd8aa2850f00 ("staging: vc04_services: Get of even more suspend/resume
> states")
> left behind this unused variable.
>
> Reported-by: Hulk Robot <[email protected]>
> Signed-off-by: YueHaibing <[email protected]>
> ---
> drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> 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 c456ced..d30d24d 100644
> --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
> +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
> @@ -2343,7 +2343,7 @@ vchiq_use_internal(struct vchiq_state *state, struct
> vchiq_service *service,
> enum vchiq_status ret = VCHIQ_SUCCESS;
> char entity[16];
> int *entity_uc;
> - int local_uc, local_entity_uc;
> + int local_uc;
>
> if (!arm_state)
> goto out;
> @@ -2367,7 +2367,6 @@ vchiq_use_internal(struct vchiq_state *state, struct
> vchiq_service *service,
>
> write_lock_bh(&arm_state->susp_res_lock);
> local_uc = ++arm_state->videocore_use_count;
> - local_entity_uc = ++(*entity_uc);
^^
This ++ is required.
regards,
dan carpenter
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