2018-08-03 09:22:28

by Parth Y Shah

[permalink] [raw]
Subject: [PATCH] misc: eeprom: assignment outside the if statement

Assignment of any variable should be kept outside the if statement

Signed-off-by: Parth Y Shah <[email protected]>
---
drivers/misc/eeprom/max6875.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/misc/eeprom/max6875.c b/drivers/misc/eeprom/max6875.c
index 0e32709..fc0cf9a 100644
--- a/drivers/misc/eeprom/max6875.c
+++ b/drivers/misc/eeprom/max6875.c
@@ -148,7 +148,8 @@ static int max6875_probe(struct i2c_client *client,
if (client->addr & 1)
return -ENODEV;

- if (!(data = kzalloc(sizeof(struct max6875_data), GFP_KERNEL)))
+ data = kzalloc(sizeof(struct max6875_data), GFP_KERNEL);
+ if (!data)
return -ENOMEM;

/* A fake client is created on the odd address */
--
2.7.4



2018-08-03 12:38:05

by Jean Delvare

[permalink] [raw]
Subject: Re: [PATCH] misc: eeprom: assignment outside the if statement

On Fri, 3 Aug 2018 14:50:43 +0530, Parth Y Shah wrote:
> Assignment of any variable should be kept outside the if statement

Actually there are exceptions to that rule, but this isn't one of them.

> Signed-off-by: Parth Y Shah <[email protected]>
> ---
> drivers/misc/eeprom/max6875.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/misc/eeprom/max6875.c b/drivers/misc/eeprom/max6875.c
> index 0e32709..fc0cf9a 100644
> --- a/drivers/misc/eeprom/max6875.c
> +++ b/drivers/misc/eeprom/max6875.c
> @@ -148,7 +148,8 @@ static int max6875_probe(struct i2c_client *client,
> if (client->addr & 1)
> return -ENODEV;
>
> - if (!(data = kzalloc(sizeof(struct max6875_data), GFP_KERNEL)))
> + data = kzalloc(sizeof(struct max6875_data), GFP_KERNEL);
> + if (!data)
> return -ENOMEM;
>
> /* A fake client is created on the odd address */

Reviewed-by: Jean Delvare <[email protected]>

Thanks,
--
Jean Delvare
SUSE L3 Support

2018-08-03 14:18:40

by Parth Y Shah

[permalink] [raw]
Subject: Re: [PATCH] misc: eeprom: assignment outside the if statement

Hello Jean,

Thank you for your response.

So, can we consider this patch?

Regards,
Parth Y Shah

On Fri, Aug 3, 2018 at 6:06 PM Jean Delvare <[email protected]> wrote:

> On Fri, 3 Aug 2018 14:50:43 +0530, Parth Y Shah wrote:
> > Assignment of any variable should be kept outside the if statement
>
> Actually there are exceptions to that rule, but this isn't one of them.
>
> > Signed-off-by: Parth Y Shah <[email protected]>
> > ---
> > drivers/misc/eeprom/max6875.c | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/misc/eeprom/max6875.c
> b/drivers/misc/eeprom/max6875.c
> > index 0e32709..fc0cf9a 100644
> > --- a/drivers/misc/eeprom/max6875.c
> > +++ b/drivers/misc/eeprom/max6875.c
> > @@ -148,7 +148,8 @@ static int max6875_probe(struct i2c_client *client,
> > if (client->addr & 1)
> > return -ENODEV;
> >
> > - if (!(data = kzalloc(sizeof(struct max6875_data), GFP_KERNEL)))
> > + data = kzalloc(sizeof(struct max6875_data), GFP_KERNEL);
> > + if (!data)
> > return -ENOMEM;
> >
> > /* A fake client is created on the odd address */
>
> Reviewed-by: Jean Delvare <[email protected]>
>
> Thanks,
> --
> Jean Delvare
> SUSE L3 Support
>