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tty: n_tty: make n_tty_data::num_overrun unsigned 

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>
This commit is contained in:
Jiri Slaby (SUSE) 2023-08-27 09:41:38 +02:00 committed by Greg Kroah-Hartman
parent 73276e3a10
commit c3b2b26f6e
1 changed files with 2 additions and 2 deletions
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4
drivers/tty/n_tty.c
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@ -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;
}