linux-kernel - Re: [PATCH] sysfs: add filter function to groups

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1193678844.3782.7.camel@lov.site>
Date:	Mon, 29 Oct 2007 18:27:24 +0100
From:	Kay Sievers <kay.sievers@...y.org>
To:	James Bottomley <James.Bottomley@...elEye.com>
Cc:	Greg KH <greg@...ah.com>, linux-scsi <linux-scsi@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] sysfs: add filter function to groups

On Mon, 2007-10-29 at 11:57 -0500, James Bottomley wrote:
> On Mon, 2007-10-29 at 17:54 +0100, Kay Sievers wrote:
> > On Mon, 2007-10-29 at 10:16 -0500, James Bottomley wrote:

> > >  struct attribute_group {
> > >  	const char		*name;
> > > +	int			(*filter_show)(struct kobject *, int);
> > 
> > Are you sure that you want to return an array index here, instead of the
> > actual attribute? Like:
> 
> Actually, it returns a true/false value indicating whether the given
> attribute should be displayed.

It isn't about the return value of the function, that's fine. You call
back with the index number (int) of the array of attributes, instead of
passing the attribute pointer (struct attribute *attr) back to ask the
device for the attribute to create.

Kay

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/