linux-kernel - Re: [PATCH 0/1] Use checkpatch.pl to make thinkpad

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Date:   Tue, 14 Nov 2017 16:10:20 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Simranjit Singh <simranjit.singh@...ebaby.org>, ibm-acpi@....eng.br
Cc:     dvhart@...radead.org, andy@...radead.org,
        ibm-acpi-devel@...ts.sourceforge.net,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/1] Use checkpatch.pl to make thinkpad_acpi.c error free:
 octal permissions

On 11/14/2017 03:14 PM, Simranjit Singh wrote:
> From: Simranjit Singh <simranjit.singh@...ebaby.org>
> 
> Using the checkpatch.pl script, there were 8 errors in thinkpad_acpi.c. I fixed them by changing permissions to octal,
> and by adding parenthesis. 
> On the current tree, if you use checkpatch.pl, thinkpad_acpi.c will have 8 errors. With my changes, there are 0 errors.
> However, I have added 3 new warnings. 
> I'm very new to kernel development, so if I messed up somewhere, please do tell me.
>     
> Changed binary permissions to octal in accordance with checkpatch.pl in thinkpad_acpi.c
> 
> Signed-off-by: Simranjit Singh <simranjit.singh@...ebaby.org>

a. You should have [PATCH 1/2] and [PATCH 2/2].

b. Subject should be something like [PATCH 1/2] thinkpad_acpi: fix octal permissions
(if they need to be fixed)

> ---
> diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
> index 2242d60..9ad1f5b 100644
> --- a/drivers/platform/x86/thinkpad_acpi.c
> +++ b/drivers/platform/x86/thinkpad_acpi.c
> @@ -9574,7 +9574,7 @@ static int __init set_ibm_param(const char *val, struct kernel_param *kp)
>  MODULE_PARM_DESC(experimental,
>  		 "Enables experimental features when non-zero");
>  
> -module_param_named(debug, dbg_level, uint, 0);

Is 0 not octal?

> +module_param_named(debug, dbg_level, uint, 0444;

missing closing ')'.  So you did not compile this, right?  boo.

>  MODULE_PARM_DESC(debug, "Sets debug level bit-mask");
>  
>  module_param(force_load, bool, 0444);
> @@ -9638,25 +9638,25 @@ static int __init set_ibm_param(const char *val, struct kernel_param *kp)
>  #ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
>  module_param(dbg_wlswemul, uint, 0444);
>  MODULE_PARM_DESC(dbg_wlswemul, "Enables WLSW emulation");
> -module_param_named(wlsw_state, tpacpi_wlsw_emulstate, bool, 0);
> +module_param_named(wlsw_state, tpacpi_wlsw_emulstate, 044);

module_param_named() still takes 4 parameters.

>  MODULE_PARM_DESC(wlsw_state,
>  		 "Initial state of the emulated WLSW switch");
>  
>  module_param(dbg_bluetoothemul, uint, 0444);
>  MODULE_PARM_DESC(dbg_bluetoothemul, "Enables bluetooth switch emulation");
> -module_param_named(bluetooth_state, tpacpi_bluetooth_emulstate, bool, 0);
> +module_param_named(bluetooth_state, tpacpi_bluetooth_emulstate, 0444);
'
ditto.

>  MODULE_PARM_DESC(bluetooth_state,
>  		 "Initial state of the emulated bluetooth switch");
>  
>  module_param(dbg_wwanemul, uint, 0444);
>  MODULE_PARM_DESC(dbg_wwanemul, "Enables WWAN switch emulation");
> -module_param_named(wwan_state, tpacpi_wwan_emulstate, bool, 0);
> +module_param_named(wwan_state, tpacpi_wwan_emulstate, 0444);

ditto.

>  MODULE_PARM_DESC(wwan_state,
>  		 "Initial state of the emulated WWAN switch");
>  
>  module_param(dbg_uwbemul, uint, 0444);
>  MODULE_PARM_DESC(dbg_uwbemul, "Enables UWB switch emulation");
> -module_param_named(uwb_state, tpacpi_uwb_emulstate, bool, 0);
> +module_param_named(uwb_state, tpacpi_uwb_emulstate, 0444);

ditto.

>  MODULE_PARM_DESC(uwb_state,
>  		 "Initial state of the emulated UWB switch");
>  #endif
> 
> 
> 


-- 
~Randy