netdev - Re: [PATCH 4/10] drivers/net/can/flexcan.c: add missing clk

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: Windows password security audit tool. GUI, reports in PDF.

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

Date:	Wed, 1 Jun 2011 22:08:46 +0200 (CEST)
From:	Julia Lawall <julia@...u.dk>
To:	Joe Perches <joe@...ches.com>
Cc:	Wolfgang Grandegger <wg@...ndegger.com>,
	kernel-janitors@...r.kernel.org, socketcan-core@...ts.berlios.de,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/10] drivers/net/can/flexcan.c: add missing clk_put

On Wed, 1 Jun 2011, Joe Perches wrote:

> On Wed, 2011-06-01 at 19:10 +0200, Julia Lawall wrote:
> > The failed_get label is used after the call to clk_get has succeeded, so it
> > should be moved up above the call to clk_put.
> []
> > diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
> []
> > @@ -978,8 +978,8 @@ static int __devinit flexcan_probe(struct platform_device *pdev)
> >   failed_map:
> >  	release_mem_region(mem->start, mem_size);
> >   failed_req:
> > -	clk_put(clk);
> >   failed_get:
> > +	clk_put(clk);
> >   failed_clock:
> >  	return err;
> 
> If this is correct, it might be better to rename all the
> uses of failed_req to failed_get and delete label failed_req.

As I replied to Walter Harms, I believe it is correct, because I don't see 
anything in the called functions that needs to be freed.  I can redo the 
patch to eliminate the label.

julia
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html