diff mbox series

[19/70] mxser: make xmit ring buffer variables unsigned

Message ID 20210618061516.662-20-jslaby@suse.cz
State New
Headers show
Series mxser: cleanup | expand

Commit Message

Jiri Slaby June 18, 2021, 6:14 a.m. UTC 
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 <jslaby@suse.cz>
---
 drivers/tty/mxser.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff mbox series

Patch

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;