[PATCH 4/5] tty: srmcons: switch need_cr to bool

From: Jiri Slaby (SUSE)
Date: Mon Nov 27 2023 - 07:37:36 EST


'need_cr' is a flag, so type it properly to be a 'bool'. Move the
declaration into the loop too. That ensures the variable is initialized
properly even if the code was moved somehow.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@xxxxxxxxxx>
Reviewed-by: Richard Henderson <richard.henderson@xxxxxxxxxx>
Cc: Ivan Kokshaysky <ink@xxxxxxxxxxxxxxxxxxxx>
Cc: Matt Turner <mattst88@xxxxxxxxx>
Cc: linux-alpha@xxxxxxxxxxxxxxx
---
arch/alpha/kernel/srmcons.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/alpha/kernel/srmcons.c b/arch/alpha/kernel/srmcons.c
index 32bc098de7da..c6b821afbfd3 100644
--- a/arch/alpha/kernel/srmcons.c
+++ b/arch/alpha/kernel/srmcons.c
@@ -94,17 +94,16 @@ srmcons_do_write(struct tty_port *port, const char *buf, int count)
static char str_cr[1] = "\r";
size_t c;
srmcons_result result;
- int need_cr;

while (count > 0) {
- need_cr = 0;
+ bool need_cr = false;
/*
* Break it up into reasonable size chunks to allow a chance
* for input to get in
*/
for (c = 0; c < min_t(size_t, 128U, count) && !need_cr; c++)
if (buf[c] == '\n')
- need_cr = 1;
+ need_cr = true;

while (c > 0) {
result.as_long = callback_puts(0, buf, c);
@@ -122,7 +121,7 @@ srmcons_do_write(struct tty_port *port, const char *buf, int count)
while (need_cr) {
result.as_long = callback_puts(0, str_cr, 1);
if (result.bits.c > 0)
- need_cr = 0;
+ need_cr = false;
}
}
}
--
2.42.1