Re: [PATCH 9/16] HID: logitech-hidpp: fix error return code

From: Jiri Kosina
Date: Sun Apr 05 2015 - 16:57:58 EST


On Sun, 5 Apr 2015, 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@xxxxxxx>

Applied to for-4.1/logitech, thanks.

--
Jiri Kosina
SUSE Labs
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