| Message ID | 1473596082-32690-5-git-send-email-Julia.Lawall@lip6.fr (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Sun, Sep 11, 2016 at 2:14 PM, Julia Lawall <Julia.Lawall@lip6.fr> wrote: > These structures are only used to copy into other structures, so declare > them as const. (...) > Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Patch applied, after some fuzzing. Yours, Linus Walleij
diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c index 4ae596b..6d92351 100644 --- a/drivers/pinctrl/stm32/pinctrl-stm32.c +++ b/drivers/pinctrl/stm32/pinctrl-stm32.c @@ -174,7 +174,7 @@ static int stm32_gpio_direction_output(struct gpio_chip *chip, return 0; } -static struct gpio_chip stm32_gpio_template = { +static const struct gpio_chip stm32_gpio_template = { .request = stm32_gpio_request, .free = stm32_gpio_free, .get = stm32_gpio_get,
These structures are only used to copy into other structures, so declare them as const. 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 gpio_chip i@p = { ... }; @ok@ identifier r.i; expression e; position p; @@ e = i@p; @bad@ position p != {r.p,ok.p}; identifier r.i; struct gpio_chip e; @@ e@i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct gpio_chip i = { ... }; // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> --- drivers/pinctrl/stm32/pinctrl-stm32.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)