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tty: n_tty: make n_tty_data::num_overrun unsigned
author
Jiri Slaby (SUSE)
<jirislaby@kernel.org>
Sun, 27 Aug 2023 07:41:38 +0000
(09:41 +0200)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Sun, 27 Aug 2023 09:46:52 +0000
(11:46 +0200)
n_tty_data::num_overrun is unlikely to overflow in a second. But make it
explicitly unsigned to avoid printing negative values.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link:
https://lore.kernel.org/r/20230827074147.2287-6-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/n_tty.c
patch
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diff --git
a/drivers/tty/n_tty.c
b/drivers/tty/n_tty.c
index
c0b23e9
..
7f8f6cf
100644
(file)
--- a/
drivers/tty/n_tty.c
+++ b/
drivers/tty/n_tty.c
@@
-99,7
+99,7
@@
struct n_tty_data {
/* private to n_tty_receive_overrun (single-threaded) */
unsigned long overrun_time;
- int num_overrun;
+
unsigned
int num_overrun;
/* non-atomic */
bool no_room;
@@
-1174,7
+1174,7
@@
static void n_tty_receive_overrun(const struct tty_struct *tty)
ldata->num_overrun++;
if (time_is_before_jiffies(ldata->overrun_time + HZ)) {
- tty_warn(tty, "%
d
input overrun(s)\n", ldata->num_overrun);
+ tty_warn(tty, "%
u
input overrun(s)\n", ldata->num_overrun);
ldata->overrun_time = jiffies;
ldata->num_overrun = 0;
}