Re: [PATCH 3/10] drivers/hid: Move dereferences below a NULL test

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On Sun, 19 Jul 2009, Julia Lawall wrote:

> From: Julia Lawall <julia@xxxxxxx>
> 
> If the NULL test is necessary, then the dereferences should be moved below
> the NULL test.
> 
> The semantic patch that makes this change is as follows:
> (http://www.emn.fr/x-info/coccinelle/)
> 
> // <smpl>
> @@
> type T;
> expression E,E1;
> identifier i,fld;
> statement S;
> @@
> 
> - T i = E->fld;
> + T i;
>   ... when != E=E1
>       when != i
>   if (E == NULL||...) S
> + i = E->fld;
> // </smpl>
> 
> Signed-off-by: Julia Lawall <julia@xxxxxxx>

Good catch, applied, thanks Julia.

-- 
Jiri Kosina
SUSE Labs
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