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@xxxxxxx>
---
drivers/tty/mxser.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
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;
--
2.32.0
