Commit 633e2b2d authored by Anthony Mallet's avatar Anthony Mallet Committed by Greg Kroah-Hartman

USB: cdc-acm: fix close_delay and closing_wait units in TIOCSSERIAL

close_delay and closing_wait are specified in hundredth of a second but stored
internally in jiffies. Use the jiffies_to_msecs() and msecs_to_jiffies()
functions to convert from each other.
Signed-off-by: default avatarAnthony Mallet <anthony.mallet@laas.fr>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200312133101.7096-1-anthony.mallet@laas.frSigned-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 75d7676e
......@@ -896,10 +896,10 @@ static int get_serial_info(struct tty_struct *tty, struct serial_struct *ss)
ss->xmit_fifo_size = acm->writesize;
ss->baud_base = le32_to_cpu(acm->line.dwDTERate);
ss->close_delay = acm->port.close_delay / 10;
ss->close_delay = jiffies_to_msecs(acm->port.close_delay) / 10;
ss->closing_wait = acm->port.closing_wait == ASYNC_CLOSING_WAIT_NONE ?
ASYNC_CLOSING_WAIT_NONE :
acm->port.closing_wait / 10;
jiffies_to_msecs(acm->port.closing_wait) / 10;
return 0;
}
......@@ -909,9 +909,10 @@ static int set_serial_info(struct tty_struct *tty, struct serial_struct *ss)
unsigned int closing_wait, close_delay;
int retval = 0;
close_delay = ss->close_delay * 10;
close_delay = msecs_to_jiffies(ss->close_delay * 10);
closing_wait = ss->closing_wait == ASYNC_CLOSING_WAIT_NONE ?
ASYNC_CLOSING_WAIT_NONE : ss->closing_wait * 10;
ASYNC_CLOSING_WAIT_NONE :
msecs_to_jiffies(ss->closing_wait * 10);
mutex_lock(&acm->port.mutex);
......
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