linux-kernel - Re: [PATCH 02/11] soc: ti: knav_qmss

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Date:	Sat, 22 Aug 2015 18:12:42 -0700
From:	"santosh.shilimkar@...cle.com" <santosh.shilimkar@...cle.com>
To:	Julia Lawall <Julia.Lawall@...6.fr>,
	Santosh Shilimkar <ssantosh@...nel.org>
CC:	kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 02/11] soc: ti: knav_qmss_queue: fix error return code

On 8/22/15 5:11 PM, Julia Lawall wrote:
> Return a negative error code on failure.
>
> A simplified version of the semantic match that finds this problem is as
> follows: (http://coccinelle.lip6.fr/)
>
> // <smpl>
> @@
> identifier ret; expression e1,e2;
> @@
> (
> if (\(ret < 0\|ret != 0\))
>   { ... return ret; }
> |
> ret = 0
> )
> ... when != ret = e1
>      when != &ret
> *if(...)
> {
>    ... when != ret = e2
>        when forall
>   return ret;
> }
> // </smpl>
>
> Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>
>
Acked-by: Santosh Shilimkar <ssantosh@...nel.org>
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