diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2021-06-18 08:14:25 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-06-18 13:09:59 +0200 |
| commit | 02e431444b52728872570a14ade413a2a26be657 (patch) | |
| tree | 25e58ae0b8f75ca56622470bb07c694e9361d4f2 /drivers/tty/mxser.c | |
| parent | a93963e41ffeff71a735f4fab95d2cbacd9da7a8 (diff) | |
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 <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210618061516.662-20-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/mxser.c')
| -rw-r--r-- | drivers/tty/mxser.c | 6 |
1 files 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; |