From 02e431444b52728872570a14ade413a2a26be657 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Fri, 18 Jun 2021 08:14:25 +0200 Subject: mxser: make xmit ring buffer variables unsigned Make the xmit ring buffer pointers and counter (xmit_head, xmit_tail, xmit_cnt) unsigned. Now, the assumptions for the compiler are clear -- they cannot be negative. Signed-off-by: Jiri Slaby Link: https://lore.kernel.org/r/20210618061516.662-20-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman --- drivers/tty/mxser.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/tty/mxser.c') diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c index 45f36d92c5ea..53136a7d92b1 100644 --- a/drivers/tty/mxser.c +++ b/drivers/tty/mxser.c @@ -351,9 +351,9 @@ struct mxser_port { u8 read_status_mask; u8 ignore_status_mask; u8 xmit_fifo_size; - int xmit_head; - int xmit_tail; - int xmit_cnt; + unsigned int xmit_head; + unsigned int xmit_tail; + unsigned int xmit_cnt; int closing; struct ktermios normal_termios; -- cgit v1.2.3