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authorPaul Cercueil <paul@crapouillou.net>2017-12-28 14:07:07 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-01-09 16:46:26 +0100
commit0f646b63a1b2ede7885e45cf6e986128e001f91b (patch)
tree9f865b1743aeffb8148473f24515633838b27577 /drivers/tty
parentb9820a31691b771db37afe2054dd3d3a680c1eed (diff)
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: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/serial_core.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index f57969de2f1c..2148883db66d 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -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')