Re: [PATCH 3/4] drivers/mmc/host/omap_hsmmc.c: fix error return code

From: S, Venkatraman
Date: Mon Sep 17 2012 - 14:11:32 EST


On Mon, Sep 17, 2012 at 1:45 PM, Peter Senna Tschudin
<peter.senna@xxxxxxxxx> wrote:
> From: Peter Senna Tschudin <peter.senna@xxxxxxxxx>
>
> Convert a nonnegative error return code to a negative one, as returned
> elsewhere in the function.
>
> A simplified version of the semantic match that finds this problem is as
> follows: (http://coccinelle.lip6.fr/)
>
> // <smpl>
> (
> if@p1 (\(ret < 0\|ret != 0\))
> { ... return ret; }
> |
> ret@p1 = 0
> )
> ... when != ret = e1
> when != &ret
> *if(...)
> {
> ... when != ret = e2
> when forall
> return ret;
> }
> // </smpl>
>
> Signed-off-by: Peter Senna Tschudin <peter.senna@xxxxxxxxx>

Looks good.
Acked-by: Venkatraman S <svenkatr@xxxxxx>
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