[PATCH 2/4] tty/serial: kgdb_nmi: use true,false for bool variable

[zhengbin <zhengbin13@huawei.com>]

Fixes coccicheck warning:

drivers/tty/serial/kgdb_nmi.c:121:6-13: WARNING: Assignment of 0/1 to bool variable
drivers/tty/serial/kgdb_nmi.c:133:2-9: WARNING: Assignment of 0/1 to bool variable

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
---
 drivers/tty/serial/kgdb_nmi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/serial/kgdb_nmi.c b/drivers/tty/serial/kgdb_nmi.c
index 4029272..5022447 100644
--- a/drivers/tty/serial/kgdb_nmi.c
+++ b/drivers/tty/serial/kgdb_nmi.c
@@ -118,7 +118,7 @@ static int kgdb_nmi_poll_one_knock(void)
 	int c = -1;
 	const char *magic = kgdb_nmi_magic;
 	size_t m = strlen(magic);
-	bool printch = 0;
+	bool printch = false;

 	c = dbg_io_ops->read_char();
 	if (c == NO_POLL_CHAR)
@@ -130,7 +130,7 @@ static int kgdb_nmi_poll_one_knock(void)
 		n = (n + 1) % m;
 		if (!n)
 			return 1;
-		printch = 1;
+		printch = true;
 	} else {
 		n = 0;
 	}
--
2.7.4