linux-kernel - [PATCH 4/5] tty: srmcons: switch need

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Message-ID: <20231127123713.14504-4-jirislaby@kernel.org>
Date:   Mon, 27 Nov 2023 13:37:12 +0100
From:   "Jiri Slaby (SUSE)" <jirislaby@...nel.org>
To:     gregkh@...uxfoundation.org
Cc:     linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Jiri Slaby (SUSE)" <jirislaby@...nel.org>,
        Richard Henderson <richard.henderson@...aro.org>,
        Ivan Kokshaysky <ink@...assic.park.msu.ru>,
        Matt Turner <mattst88@...il.com>, linux-alpha@...r.kernel.org
Subject: [PATCH 4/5] tty: srmcons: switch need_cr to bool

'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@...nel.org>
Reviewed-by: Richard Henderson <richard.henderson@...aro.org>
Cc: Ivan Kokshaysky <ink@...assic.park.msu.ru>
Cc: Matt Turner <mattst88@...il.com>
Cc: linux-alpha@...r.kernel.org
---
 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