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Commit 0f646b63 authored by Paul Cercueil's avatar Paul Cercueil Committed by Greg Kroah-Hartman
Browse files

serial: core: Make uart_parse_options take const char* argument 



The pointed string is never modified from within uart_parse_options, so
it should be marked as const in the function prototype.

Signed-off-by: default avatarPaul Cercueil <paul@crapouillou.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent b9820a31

drivers/tty/serial/serial_core.c

+3 −2
Original line number Diff line number Diff line
@@ -1955,9 +1955,10 @@ EXPORT_SYMBOL_GPL(uart_parse_earlycon); 
 *	eg: 115200n8r

 */

void

uart_parse_options(char *options, int *baud, int *parity, int *bits, int *flow)

uart_parse_options(const char *options, int *baud, int *parity,

		   int *bits, int *flow)

{

	char *s = options;

	const char *s = options;



	*baud = simple_strtoul(s, NULL, 10);

	while (*s >= '0' && *s <= '9')

include/linux/serial_core.h

+1 −1
Original line number Diff line number Diff line
@@ -387,7 +387,7 @@ struct uart_port *uart_get_console(struct uart_port *ports, int nr, 
				   struct console *c);

int uart_parse_earlycon(char *p, unsigned char *iotype, resource_size_t *addr,

			char **options);

void uart_parse_options(char *options, int *baud, int *parity, int *bits,

void uart_parse_options(const char *options, int *baud, int *parity, int *bits,

			int *flow);

int uart_set_options(struct uart_port *port, struct console *co, int baud,

		     int parity, int bits, int flow);