2019-09-05 14:28:41

by Colin King

[permalink] [raw]
Subject: [PATCH] pinctrl: bcm: remove redundant assignment to pointer log

From: Colin Ian King <[email protected]>

The pointer log is being initialized with a value that is never read
and is being re-assigned a little later on. The assignment is
redundant and hence can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <[email protected]>
---
drivers/pinctrl/bcm/pinctrl-cygnus-mux.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/drivers/pinctrl/bcm/pinctrl-cygnus-mux.c b/drivers/pinctrl/bcm/pinctrl-cygnus-mux.c
index 44df35942a43..dcab2204c60c 100644
--- a/drivers/pinctrl/bcm/pinctrl-cygnus-mux.c
+++ b/drivers/pinctrl/bcm/pinctrl-cygnus-mux.c
@@ -923,7 +923,6 @@ static int cygnus_mux_log_init(struct cygnus_pinctrl *pinctrl)
if (!pinctrl->mux_log)
return -ENOMEM;

- log = pinctrl->mux_log;
for (i = 0; i < CYGNUS_NUM_IOMUX_REGS; i++) {
for (j = 0; j < CYGNUS_NUM_MUX_PER_REG; j++) {
log = &pinctrl->mux_log[i * CYGNUS_NUM_MUX_PER_REG
--
2.20.1


2019-09-05 21:18:09

by Ray Jui

[permalink] [raw]
Subject: Re: [PATCH] pinctrl: bcm: remove redundant assignment to pointer log



On 9/5/19 7:09 AM, Colin King wrote:
> From: Colin Ian King <[email protected]>
>
> The pointer log is being initialized with a value that is never read
> and is being re-assigned a little later on. The assignment is
> redundant and hence can be removed.
>
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <[email protected]>
> ---
> drivers/pinctrl/bcm/pinctrl-cygnus-mux.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/pinctrl/bcm/pinctrl-cygnus-mux.c b/drivers/pinctrl/bcm/pinctrl-cygnus-mux.c
> index 44df35942a43..dcab2204c60c 100644
> --- a/drivers/pinctrl/bcm/pinctrl-cygnus-mux.c
> +++ b/drivers/pinctrl/bcm/pinctrl-cygnus-mux.c
> @@ -923,7 +923,6 @@ static int cygnus_mux_log_init(struct cygnus_pinctrl *pinctrl)
> if (!pinctrl->mux_log)
> return -ENOMEM;
>
> - log = pinctrl->mux_log;

Yes, this indeed looks completely redundant.

> for (i = 0; i < CYGNUS_NUM_IOMUX_REGS; i++) {
> for (j = 0; j < CYGNUS_NUM_MUX_PER_REG; j++) {
> log = &pinctrl->mux_log[i * CYGNUS_NUM_MUX_PER_REG
>

Change looks good to me. Thanks!

Reviewed-by: Ray Jui <[email protected]>

2019-09-11 10:00:37

by Linus Walleij

[permalink] [raw]
Subject: Re: [PATCH] pinctrl: bcm: remove redundant assignment to pointer log

On Thu, Sep 5, 2019 at 3:09 PM Colin King <[email protected]> wrote:

> From: Colin Ian King <[email protected]>
>
> The pointer log is being initialized with a value that is never read
> and is being re-assigned a little later on. The assignment is
> redundant and hence can be removed.
>
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <[email protected]>

Patch applied.

Yours,
Linus Walleij