diff options
author | Jiri Slaby (SUSE) <jirislaby@kernel.org> | 2023-08-10 11:15:03 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-08-11 21:12:46 +0200 |
commit | 95713967ba52389f7cea75704d0cf048080ec218 (patch) | |
tree | fec0df386db066c0026c8eb2e7fef035903e9af0 /drivers/tty/hvc/hvcs.c | |
parent | dcaafbe6ee3b39f2df11a1352f85172f8ade17a5 (diff) |
tty: make tty_operations::write()'s count size_t
Unify with the rest of the code. Use size_t for counts and ssize_t for
retval.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230810091510.13006-30-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/hvc/hvcs.c')
-rw-r--r-- | drivers/tty/hvc/hvcs.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c index 2465d61b4e76..1de91fa23b04 100644 --- a/drivers/tty/hvc/hvcs.c +++ b/drivers/tty/hvc/hvcs.c @@ -1257,7 +1257,7 @@ static void hvcs_hangup(struct tty_struct * tty) * tty_hangup will allow hvcs_write time to complete execution before it * terminates our device. */ -static int hvcs_write(struct tty_struct *tty, const u8 *buf, int count) +static ssize_t hvcs_write(struct tty_struct *tty, const u8 *buf, size_t count) { struct hvcs_struct *hvcsd = tty->driver_data; unsigned int unit_address; @@ -1299,7 +1299,8 @@ static int hvcs_write(struct tty_struct *tty, const u8 *buf, int count) unit_address = hvcsd->vdev->unit_address; while (count > 0) { - tosend = min(count, (HVCS_BUFF_LEN - hvcsd->chars_in_buffer)); + tosend = min_t(unsigned, count, + (HVCS_BUFF_LEN - hvcsd->chars_in_buffer)); /* * No more space, this probably means that the last call to * hvcs_write() didn't succeed and the buffer was filled up. |