linux-kernel - Re: [PATCH v3 2/3] sysfs: Only accept read/write permissions for file attributes

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Message-ID: <20150312163736.GE15121@roeck-us.net>
Date:	Thu, 12 Mar 2015 09:37:36 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org, kernel@...oirfairelinux.com
Subject: Re: [PATCH v3 2/3] sysfs: Only accept read/write permissions for
 file attributes

On Thu, Mar 12, 2015 at 09:58:27AM -0400, Vivien Didelot wrote:
> For sysfs file attributes, only read and write permissions make sense.
> Mask provided attribute permissions accordingly and send a warning
> to the console if invalid permission bits are set.
> 
> This patch is originally from Guenter [1] and includes the fixup
> explained in the thread, that is printing permissions in octal format
> and limiting the scope of attributes to SYSFS_PREALLOC | 0664.
> 
> [1] https://lkml.org/lkml/2015/1/19/599
> 
> Cc: Guenter Roeck <linux@...ck-us.net>
> Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>

Reviewed-by: Guenter Roeck <linux@...ck-us.net>
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