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.law...@lip6.fr>

Reviewed-by: Guenter Roeck <li...@roeck-us.net>

---
 drivers/watchdog/tegra_wdt.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/watchdog/tegra_wdt.c b/drivers/watchdog/tegra_wdt.c
index 9ec5760..2d53c3f 100644
--- a/drivers/watchdog/tegra_wdt.c
+++ b/drivers/watchdog/tegra_wdt.c
@@ -178,7 +178,7 @@ static const struct watchdog_info tegra_wdt_info = {
        .identity       = "Tegra Watchdog",
 };

-static struct watchdog_ops tegra_wdt_ops = {
+static const struct watchdog_ops tegra_wdt_ops = {
        .owner = THIS_MODULE,
        .start = tegra_wdt_start,
        .stop = tegra_wdt_stop,



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