Re: [PATCH 2/2] watchdog: constify watchdog_ops structures

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On 09/01/2016 10:35 AM, Julia Lawall wrote:
Check for watchdog_ops structures that are only stored in the ops field of
a watchdog_device structure.  This field is declared const, so watchdog_ops
structures that have this property can be declared as const also.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r disable optional_qualifier@
identifier i;
position p;
@@
static struct watchdog_ops i@p = { ... };

@ok@
identifier r.i;
struct watchdog_device e;
position p;
@@
e.ops = &i@p;

@bad@
position p != {r.p,ok.p};
identifier r.i;
struct watchdog_ops e;
@@
e@i@p

@depends on !bad disable optional_qualifier@
identifier r.i;
@@
static
+const
 struct watchdog_ops i = { ... };
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>



Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>


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