2021-03-11 11:19:50

by Colin King

Subject: [PATCH][next] bus: mhi: core: remove redundant initialization of variables state and ee

From: Colin Ian King <[email protected]>

The variables state and ee are being initialized with values that
are never read and are being updated later with a new values. The
initializations are redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <[email protected]>
---
drivers/bus/mhi/core/main.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c
index 2c61dfd01353..3faf8bade520 100644
--- a/drivers/bus/mhi/core/main.c
+++ b/drivers/bus/mhi/core/main.c
@@ -428,9 +428,9 @@ irqreturn_t mhi_intvec_threaded_handler(int irq_number, void *priv)
{
struct mhi_controller *mhi_cntrl = priv;
struct device *dev = &mhi_cntrl->mhi_dev->dev;
- enum mhi_state state = MHI_STATE_MAX;
+ enum mhi_state state;
enum mhi_pm_state pm_state = 0;
- enum mhi_ee_type ee = MHI_EE_MAX;
+ enum mhi_ee_type ee;

write_lock_irq(&mhi_cntrl->pm_lock);
if (!MHI_REG_ACCESS_VALID(mhi_cntrl->pm_state)) {
--
2.30.2

2021-03-14 08:27:24

by Loic Poulain

Subject: Re: [PATCH][next] bus: mhi: core: remove redundant initialization of variables state and ee

On Thu, 11 Mar 2021 at 12:18, Colin King <[email protected]> wrote:
>
> From: Colin Ian King <[email protected]>
>
> The variables state and ee are being initialized with values that
> are never read and are being updated later with a new values. The
> initializations are redundant and can be removed.
>
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <[email protected]>

Reviewed-by: Loic Poulain <[email protected]>

> ---
> drivers/bus/mhi/core/main.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c
> index 2c61dfd01353..3faf8bade520 100644
> --- a/drivers/bus/mhi/core/main.c
> +++ b/drivers/bus/mhi/core/main.c
> @@ -428,9 +428,9 @@ irqreturn_t mhi_intvec_threaded_handler(int irq_number, void *priv)
> {
> struct mhi_controller *mhi_cntrl = priv;
> struct device *dev = &mhi_cntrl->mhi_dev->dev;
> - enum mhi_state state = MHI_STATE_MAX;
> + enum mhi_state state;
> enum mhi_pm_state pm_state = 0;
> - enum mhi_ee_type ee = MHI_EE_MAX;
> + enum mhi_ee_type ee;
>
> write_lock_irq(&mhi_cntrl->pm_lock);
> if (!MHI_REG_ACCESS_VALID(mhi_cntrl->pm_state)) {
> --
> 2.30.2
>

2021-03-15 04:07:19

by Manivannan Sadhasivam

Subject: Re: [PATCH][next] bus: mhi: core: remove redundant initialization of variables state and ee

On Thu, Mar 11, 2021 at 11:17:27AM +0000, Colin King wrote:
> From: Colin Ian King <[email protected]>
>
> The variables state and ee are being initialized with values that
> are never read and are being updated later with a new values. The
> initializations are redundant and can be removed.
>
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <[email protected]>

Reviewed-by: Manivannan Sadhasivam <[email protected]>

Thanks,
Mani

> ---
> drivers/bus/mhi/core/main.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c
> index 2c61dfd01353..3faf8bade520 100644
> --- a/drivers/bus/mhi/core/main.c
> +++ b/drivers/bus/mhi/core/main.c
> @@ -428,9 +428,9 @@ irqreturn_t mhi_intvec_threaded_handler(int irq_number, void *priv)
> {
> struct mhi_controller *mhi_cntrl = priv;
> struct device *dev = &mhi_cntrl->mhi_dev->dev;
> - enum mhi_state state = MHI_STATE_MAX;
> + enum mhi_state state;
> enum mhi_pm_state pm_state = 0;
> - enum mhi_ee_type ee = MHI_EE_MAX;
> + enum mhi_ee_type ee;
>
> write_lock_irq(&mhi_cntrl->pm_lock);
> if (!MHI_REG_ACCESS_VALID(mhi_cntrl->pm_state)) {
> --
> 2.30.2
>

2021-03-15 04:28:56

by Manivannan Sadhasivam

Subject: Re: [PATCH][next] bus: mhi: core: remove redundant initialization of variables state and ee

On Thu, Mar 11, 2021 at 11:17:27AM +0000, Colin King wrote:
> From: Colin Ian King <[email protected]>
>
> The variables state and ee are being initialized with values that
> are never read and are being updated later with a new values. The
> initializations are redundant and can be removed.
>
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <[email protected]>

Applied to mhi-next!

Thanks,
Mani

> ---
> drivers/bus/mhi/core/main.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c
> index 2c61dfd01353..3faf8bade520 100644
> --- a/drivers/bus/mhi/core/main.c
> +++ b/drivers/bus/mhi/core/main.c
> @@ -428,9 +428,9 @@ irqreturn_t mhi_intvec_threaded_handler(int irq_number, void *priv)
> {
> struct mhi_controller *mhi_cntrl = priv;
> struct device *dev = &mhi_cntrl->mhi_dev->dev;
> - enum mhi_state state = MHI_STATE_MAX;
> + enum mhi_state state;
> enum mhi_pm_state pm_state = 0;
> - enum mhi_ee_type ee = MHI_EE_MAX;
> + enum mhi_ee_type ee;
>
> write_lock_irq(&mhi_cntrl->pm_lock);
> if (!MHI_REG_ACCESS_VALID(mhi_cntrl->pm_state)) {
> --
> 2.30.2
>