linux-kernel - Re: [PATCHv1 01/19] kobject: increase allowed number of uevent variables

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Date:   Thu, 14 May 2020 08:11:21 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Sebastian Reichel <sebastian.reichel@...labora.com>
Cc:     Sebastian Reichel <sre@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...labora.com
Subject: Re: [PATCHv1 01/19] kobject: increase allowed number of uevent
 variables

On Wed, May 13, 2020 at 08:55:57PM +0200, Sebastian Reichel wrote:
> SBS battery driver exposes 32 power supply properties now,
> which will result in uevent failure on (un)plugging the
> battery. Other drivers (e.g. bq27xxx) are also coming close
> to this limit, so increase it.
> 
> Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
> ---
>  include/linux/kobject.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/include/linux/kobject.h b/include/linux/kobject.h
> index e2ca0a292e21..75e822569e39 100644
> --- a/include/linux/kobject.h
> +++ b/include/linux/kobject.h
> @@ -29,7 +29,7 @@
>  #include <linux/uidgid.h>
>  
>  #define UEVENT_HELPER_PATH_LEN		256
> -#define UEVENT_NUM_ENVP			32	/* number of env pointers */
> +#define UEVENT_NUM_ENVP			64	/* number of env pointers */
>  #define UEVENT_BUFFER_SIZE		2048	/* buffer for the variables */
>  
>  #ifdef CONFIG_UEVENT_HELPER

Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>