Message ID | 1472752298-981-2-git-send-email-Julia.Lawall@lip6.fr (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Thu, 01 Sep 2016, Julia Lawall wrote: > Check for uart_ops structures that are only stored in the ops field of a > uart_port structure. This field is declared const, so uart_ops structures > that have this property can be declared as const also. Acked-by: Peter Griffin <peter.griffin@linaro.org> regards, Peter.
diff --git a/drivers/tty/serial/st-asc.c b/drivers/tty/serial/st-asc.c index 2d78cb3..379e5bd 100644 --- a/drivers/tty/serial/st-asc.c +++ b/drivers/tty/serial/st-asc.c @@ -639,7 +639,7 @@ static void asc_put_poll_char(struct uart_port *port, unsigned char c) /*---------------------------------------------------------------------*/ -static struct uart_ops asc_uart_ops = { +static const struct uart_ops asc_uart_ops = { .tx_empty = asc_tx_empty, .set_mctrl = asc_set_mctrl, .get_mctrl = asc_get_mctrl,
Check for uart_ops structures that are only stored in the ops field of a uart_port structure. This field is declared const, so uart_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 uart_ops i@p = { ... }; @ok@ identifier r.i; struct uart_port e; position p; @@ e.ops = &i@p; @bad@ position p != {r.p,ok.p}; identifier r.i; struct uart_ops e; @@ e@i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct uart_ops i = { ... }; // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> --- drivers/tty/serial/st-asc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)