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] [day] [month] [year] [list]
Date:	Fri, 15 Feb 2013 14:02:51 -0600
From:	Kumar Gala <galak@...nel.crashing.org>
To:	Julia Lawall <julia.lawall@...6.fr>
Cc:	kernel-janitors@...r.kernel.org,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 8/15] arch/powerpc/platforms/85xx/p1022_ds.c: adjust duplicate test


On Jan 21, 2013, at 7:02 AM, Julia Lawall wrote:

> From: Julia Lawall <Julia.Lawall@...6.fr>
> 
> Delete successive tests to the same location.  The code tested the result
> of a previous call, that itself was already tested.  It is changed to test
> the result of the most recent call.
> 
> A simplified version of the semantic match that finds this problem is as
> follows: (http://coccinelle.lip6.fr/)
> 
> // <smpl>
> @s exists@
> local idexpression y;
> expression x,e;
> @@
> 
> *if ( \(x == NULL\|IS_ERR(x)\|y != 0\) )
> { ... when forall
>   return ...; }
> ... when != \(y = e\|y += e\|y -= e\|y |= e\|y &= e\|y++\|y--\|&y\)
>    when != \(XT_GETPAGE(...,y)\|WMI_CMD_BUF(...)\)
> *if ( \(x == NULL\|IS_ERR(x)\|y != 0\) )
> { ... when forall
>   return ...; }
> // </smpl>
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>
> 
> ---
> arch/powerpc/platforms/85xx/p1022_ds.c |    2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

applied to next

- k
--
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/

Powered by blists - more mailing lists