[PATCH 13/17] tty: srmcons: use 'buf' directly in srmcons_do_write()

From: Jiri Slaby (SUSE)
Date: Tue Nov 21 2023 - 04:24:08 EST


There is no need to have a separate iterator ('cur') through 'buf' in
srmcons_do_write(). 'buf' can be used directly which simplifies the code
a bit.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@xxxxxxxxxx>
Cc: Richard Henderson <richard.henderson@xxxxxxxxxx>
Cc: Ivan Kokshaysky <ink@xxxxxxxxxxxxxxxxxxxx>
Cc: Matt Turner <mattst88@xxxxxxxxx>
Cc: linux-alpha@xxxxxxxxxxxxxxx
---
arch/alpha/kernel/srmcons.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/arch/alpha/kernel/srmcons.c b/arch/alpha/kernel/srmcons.c
index d6139dbae4ac..b68c5af083cd 100644
--- a/arch/alpha/kernel/srmcons.c
+++ b/arch/alpha/kernel/srmcons.c
@@ -94,24 +94,23 @@ srmcons_do_write(struct tty_port *port, const char *buf, int count)
static char str_cr[1] = "\r";
long c, remaining = count;
srmcons_result result;
- char *cur;
int need_cr;

- for (cur = (char *)buf; remaining > 0; ) {
+ while (remaining > 0) {
need_cr = 0;
/*
* Break it up into reasonable size chunks to allow a chance
* for input to get in
*/
for (c = 0; c < min_t(long, 128L, remaining) && !need_cr; c++)
- if (cur[c] == '\n')
+ if (buf[c] == '\n')
need_cr = 1;

while (c > 0) {
- result.as_long = callback_puts(0, cur, c);
+ result.as_long = callback_puts(0, buf, c);
c -= result.bits.c;
remaining -= result.bits.c;
- cur += result.bits.c;
+ buf += result.bits.c;

/*
* Check for pending input iff a tty port was provided
--
2.42.1