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Re: [PATCH 27/33] Input: eeti_ts - Drop unnecessary error messages and other changes

From Dmitry Torokhov <dmitry.torokhov@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH 27/33] Input: eeti_ts - Drop unnecessary error messages and other changes
Date 2017-01-18 20:30 +0100
Message-ID <t145H-86O-9@gated-at.bofh.it> (permalink)
References <t12wV-72O-9@gated-at.bofh.it> <t12GC-76Z-23@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Wed, Jan 18, 2017 at 09:46:48AM -0800, Guenter Roeck wrote:
> Error messages after memory allocation failures are unnecessary and
> can be dropped.
> 
> This conversion was done automatically with coccinelle using the
> following semantic patches. The semantic patches and the scripts
> used to generate this commit log are available at
> https://github.com/groeck/coccinelle-patches
> 
> - Drop unnecessary braces around conditional return statements
> - Drop error message after devm_kzalloc() failure
> - Replace 'goto l; ... l: return e;' with 'return e;'

Kept just the last part and applied, thank you.

> 
> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
> ---
>  drivers/input/touchscreen/eeti_ts.c | 7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/input/touchscreen/eeti_ts.c b/drivers/input/touchscreen/eeti_ts.c
> index 09be6ced7151..de3f4a1e8416 100644
> --- a/drivers/input/touchscreen/eeti_ts.c
> +++ b/drivers/input/touchscreen/eeti_ts.c
> @@ -171,10 +171,8 @@ static int eeti_ts_probe(struct i2c_client *client,
>  	 */
>  
>  	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
> -	if (!priv) {
> -		dev_err(&client->dev, "failed to allocate driver data\n");
> -		goto err0;
> -	}
> +	if (!priv)
> +		return err;
>  
>  	mutex_init(&priv->mutex);
>  	input = input_allocate_device();
> @@ -243,7 +241,6 @@ static int eeti_ts_probe(struct i2c_client *client,
>  err1:
>  	input_free_device(input);
>  	kfree(priv);
> -err0:
>  	return err;
>  }
>  
> -- 
> 2.7.4
> 

-- 
Dmitry

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Thread

[PATCH 00/33] Input: Automated coccinelle cleanup Guenter Roeck <linux@roeck-us.net> - 2017-01-18 18:50 +0100
  [PATCH 02/33] Input: bcm-keypad - Drop unnecessary call to platform_set_drvdata and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 18:50 +0100
  [PATCH 29/33] Input: melfas_mip4 - Use devm_add_action_or_reset and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 18:50 +0100
    Re: [PATCH 29/33] Input: melfas_mip4 - Use devm_add_action_or_reset  and other changes Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-18 20:30 +0100
  [PATCH 04/33] Input: cros_ec_keyb - Drop unnecessary call to dev_set_drvdata and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 18:50 +0100
    Re: [PATCH 04/33] Input: cros_ec_keyb - Drop unnecessary call to  dev_set_drvdata and other changes Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-18 19:40 +0100
  [PATCH 23/33] Input: xilinx_ps2 - Use 'dev' instead of dereferencing it and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 19:00 +0100
    Re: [PATCH 23/33] Input: xilinx_ps2 - Use 'dev' instead of  dereferencing it and other changes Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-18 20:30 +0100
  [PATCH 12/33] Input: axp20x-pek - Use devm_add_action_or_reset and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 19:00 +0100
  [PATCH 20/33] Input: elan_i2c_core - Use 'dev' instead of dereferencing it and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 19:00 +0100
  [PATCH 22/33] Input: at32psif - Drop unnecessary error messages and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 19:00 +0100
    Re: [PATCH 22/33] Input: at32psif - Drop unnecessary error messages  and other changes Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-18 20:20 +0100
  [PATCH 10/33] Input: twl4030_keypad - Drop unnecessary call to platform_set_drvdata and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 19:00 +0100
    Re: [PATCH 10/33] Input: twl4030_keypad - Drop unnecessary call to  platform_set_drvdata and other changes Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-18 20:50 +0100
  [PATCH 14/33] Input: gpio_decoder - Drop unnecessary call to platform_set_drvdata and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 19:00 +0100
    Re: [PATCH 14/33] Input: gpio_decoder - Drop unnecessary call to  platform_set_drvdata and other changes Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-18 20:50 +0100
  [PATCH 15/33] Input: kxtj9 - Drop unnecessary error messages and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 19:00 +0100
  [PATCH 27/33] Input: eeti_ts - Drop unnecessary error messages and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 19:00 +0100
    Re: [PATCH 27/33] Input: eeti_ts - Drop unnecessary error messages  and other changes Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-18 20:30 +0100
  [PATCH 08/33] Input: spear-keyboard - Drop unnecessary error messages and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 19:00 +0100
    Re: [PATCH 08/33] Input: spear-keyboard - Drop unnecessary error  messages and other changes Viresh Kumar <viresh.kumar@linaro.org> - 2017-01-19 05:00 +0100
  [PATCH 19/33] Input: tps65218-pwrbutton - Drop unnecessary call to platform_set_drvdata and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 19:00 +0100
    Re: [PATCH 19/33] Input: tps65218-pwrbutton - Drop unnecessary call  to platform_set_drvdata and other changes Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-18 20:50 +0100
  [PATCH 07/33] Input: sh_keysc - Drop unnecessary error messages and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 19:00 +0100
  [PATCH 28/33] Input: egalax_ts - Drop unnecessary call to i2c_set_clientdata and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 19:00 +0100
    Re: [PATCH 28/33] Input: egalax_ts - Drop unnecessary call to  i2c_set_clientdata and other changes Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-18 20:40 +0100
      Re: [PATCH 28/33] Input: egalax_ts - Drop unnecessary call to  i2c_set_clientdata and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 21:40 +0100
  [PATCH 11/33] Input: ab8500-ponkey - Drop unnecessary call to platform_set_drvdata and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 19:00 +0100
    Re: [PATCH 11/33] Input: ab8500-ponkey - Drop unnecessary call to  platform_set_drvdata and other changes Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-18 20:50 +0100
  [PATCH 17/33] Input: retu-pwrbutton - Simplify error return and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 19:00 +0100
  [PATCH 13/33] Input: bfin_rotary - Use 'dev' instead of dereferencing it and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 19:00 +0100
    Re: [PATCH 13/33] Input: bfin_rotary - Use 'dev' instead of  dereferencing it and other changes Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-18 20:50 +0100
      Re: [PATCH 13/33] Input: bfin_rotary - Use 'dev' instead of  dereferencing it and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 21:40 +0100
        Re: [PATCH 13/33] Input: bfin_rotary - Use 'dev' instead of  dereferencing it and other changes Joe Perches <joe@perches.com> - 2017-01-19 06:10 +0100
          Re: [PATCH 13/33] Input: bfin_rotary - Use 'dev' instead of  dereferencing it and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-19 09:30 +0100
  [PATCH 25/33] Input: atmel-wm97xx - Drop unnecessary error messages and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 19:00 +0100
    Re: [PATCH 25/33] Input: atmel-wm97xx - Drop unnecessary error  messages and other changes Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-18 20:30 +0100
  [PATCH 09/33] Input: sun4i-lradc-keys - Drop unnecessary call to platform_set_drvdata and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 19:00 +0100
  [PATCH 16/33] Input: mma8450 - Drop unnecessary call to i2c_set_clientdata and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 19:00 +0100
    Re: [PATCH 16/33] Input: mma8450 - Drop unnecessary call to  i2c_set_clientdata and other changes Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-18 20:50 +0100
  [PATCH 18/33] Input: soc_button_array - Use 'dev' instead of dereferencing it and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 19:00 +0100
    Re: [PATCH 18/33] Input: soc_button_array - Use 'dev' instead of  dereferencing it and other changes Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-18 20:50 +0100
  [PATCH 26/33] Input: atmel_mxt_ts - Drop unnecessary error messages and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 19:00 +0100
  [PATCH 24/33] Input: ar1021_i2c - Drop unnecessary call to i2c_set_clientdata and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 19:00 +0100
    Re: [PATCH 24/33] Input: ar1021_i2c - Drop unnecessary call to  i2c_set_clientdata and other changes Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-18 20:30 +0100
  [PATCH 32/33] Input: sis_i2c - Drop unnecessary call to i2c_set_clientdata and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 21:40 +0100
    Re: [PATCH 32/33] Input: sis_i2c - Drop unnecessary call to  i2c_set_clientdata and other changes Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-01-18 23:30 +0100
  [PATCH 33/33] Input: sx8654 - Drop unnecessary call to i2c_set_clientdata and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 21:40 +0100
  [PATCH 31/33] Input: rohm_bu21023 - Use 'dev' instead of dereferencing it and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 21:40 +0100
  [PATCH 30/33] Input: raydium_i2c_ts - Simplify error return and other changes Guenter Roeck <linux@roeck-us.net> - 2017-01-18 21:40 +0100
  Re: [PATCH 00/33] Input: Automated coccinelle cleanup Joe Perches <joe@perches.com> - 2017-01-19 02:50 +0100
    Re: [PATCH 00/33] Input: Automated coccinelle cleanup Guenter Roeck <linux@roeck-us.net> - 2017-01-19 06:10 +0100
      Re: [PATCH 00/33] Input: Automated coccinelle cleanup Joe Perches <joe@perches.com> - 2017-01-19 06:10 +0100
        Re: [PATCH 00/33] Input: Automated coccinelle cleanup Guenter Roeck <linux@roeck-us.net> - 2017-01-19 10:20 +0100

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