* [PATCH -next] power: supply: ab8500: Drop pointless static qualifier in ab8500_btemp_batctrl_volt_to_res()
@ 2019-12-04 1:05 Mao Wenan
2019-12-04 6:30 ` Dan Carpenter
0 siblings, 1 reply; 3+ messages in thread
From: Mao Wenan @ 2019-12-04 1:05 UTC (permalink / raw)
To: sre; +Cc: linux-pm, linux-kernel, kernel-janitors, Mao Wenan, Hulk Robot
There is no need to have the 'T *v' variable static
since new value always be assigned before use it.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Mao Wenan <maowenan@huawei.com>
---
drivers/power/supply/ab8500_btemp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/power/supply/ab8500_btemp.c b/drivers/power/supply/ab8500_btemp.c
index 909f0242bacb..d3d4f7327d1b 100644
--- a/drivers/power/supply/ab8500_btemp.c
+++ b/drivers/power/supply/ab8500_btemp.c
@@ -180,7 +180,7 @@ static int ab8500_btemp_batctrl_volt_to_res(struct ab8500_btemp *di,
static int ab8500_btemp_read_batctrl_voltage(struct ab8500_btemp *di)
{
int vbtemp, ret;
- static int prev;
+ int prev;
ret = iio_read_channel_processed(di->bat_ctrl, &vbtemp);
if (ret < 0) {
--
2.20.1
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH -next] power: supply: ab8500: Drop pointless static qualifier in ab8500_btemp_batctrl_volt_to_res()
2019-12-04 1:05 [PATCH -next] power: supply: ab8500: Drop pointless static qualifier in ab8500_btemp_batctrl_volt_to_res() Mao Wenan
@ 2019-12-04 6:30 ` Dan Carpenter
2019-12-04 6:32 ` Dan Carpenter
0 siblings, 1 reply; 3+ messages in thread
From: Dan Carpenter @ 2019-12-04 6:30 UTC (permalink / raw)
To: Mao Wenan; +Cc: sre, linux-pm, linux-kernel, kernel-janitors, Hulk Robot
On Wed, Dec 04, 2019 at 09:05:06AM +0800, Mao Wenan wrote:
> There is no need to have the 'T *v' variable static
> since new value always be assigned before use it.
>
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Mao Wenan <maowenan@huawei.com>
> ---
> drivers/power/supply/ab8500_btemp.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/power/supply/ab8500_btemp.c b/drivers/power/supply/ab8500_btemp.c
> index 909f0242bacb..d3d4f7327d1b 100644
> --- a/drivers/power/supply/ab8500_btemp.c
> +++ b/drivers/power/supply/ab8500_btemp.c
> @@ -180,7 +180,7 @@ static int ab8500_btemp_batctrl_volt_to_res(struct ab8500_btemp *di,
> static int ab8500_btemp_read_batctrl_voltage(struct ab8500_btemp *di)
> {
> int vbtemp, ret;
> - static int prev;
> + int prev;
No. We use it first on linux-next (yesterday). It needs to be static.
regards,
dan carpenter
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH -next] power: supply: ab8500: Drop pointless static qualifier in ab8500_btemp_batctrl_volt_to_res()
2019-12-04 6:30 ` Dan Carpenter
@ 2019-12-04 6:32 ` Dan Carpenter
0 siblings, 0 replies; 3+ messages in thread
From: Dan Carpenter @ 2019-12-04 6:32 UTC (permalink / raw)
To: Mao Wenan; +Cc: sre, linux-pm, linux-kernel, kernel-janitors, Hulk Robot
On Wed, Dec 04, 2019 at 09:30:58AM +0300, Dan Carpenter wrote:
> On Wed, Dec 04, 2019 at 09:05:06AM +0800, Mao Wenan wrote:
> > There is no need to have the 'T *v' variable static
> > since new value always be assigned before use it.
> >
> > Reported-by: Hulk Robot <hulkci@huawei.com>
> > Signed-off-by: Mao Wenan <maowenan@huawei.com>
> > ---
> > drivers/power/supply/ab8500_btemp.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/power/supply/ab8500_btemp.c b/drivers/power/supply/ab8500_btemp.c
> > index 909f0242bacb..d3d4f7327d1b 100644
> > --- a/drivers/power/supply/ab8500_btemp.c
> > +++ b/drivers/power/supply/ab8500_btemp.c
> > @@ -180,7 +180,7 @@ static int ab8500_btemp_batctrl_volt_to_res(struct ab8500_btemp *di,
> > static int ab8500_btemp_read_batctrl_voltage(struct ab8500_btemp *di)
> > {
> > int vbtemp, ret;
> > - static int prev;
> > + int prev;
>
> No. We use it first on linux-next (yesterday). It needs to be static.
>
It's surprising that your patch didn't cause an uninitialized variable
compile warning for you.
regards,
dan carpenter
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2019-12-04 6:51 UTC | newest]
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2019-12-04 1:05 [PATCH -next] power: supply: ab8500: Drop pointless static qualifier in ab8500_btemp_batctrl_volt_to_res() Mao Wenan
2019-12-04 6:30 ` Dan Carpenter
2019-12-04 6:32 ` Dan Carpenter
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