In ipwireless_get_serial_info, struct serial_struct is memset to 0 and then some members set to 0 explicitly.
Remove the latter as it is obviously superfluous. And remove the retinfo check against NULL. copy_to_user will take care of that. Part of hub6 cleanup series. Signed-off-by: Jiri Slaby <[email protected]> Cc: Jiri Kosina <[email protected]> Cc: David Sterba <[email protected]> --- drivers/tty/ipwireless/tty.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c index 345cebb07ae7..2685d59d2724 100644 --- a/drivers/tty/ipwireless/tty.c +++ b/drivers/tty/ipwireless/tty.c @@ -252,20 +252,11 @@ static int ipwireless_get_serial_info(struct ipw_tty *tty, { struct serial_struct tmp; - if (!retinfo) - return (-EFAULT); - memset(&tmp, 0, sizeof(tmp)); tmp.type = PORT_UNKNOWN; tmp.line = tty->index; - tmp.port = 0; - tmp.irq = 0; - tmp.flags = 0; tmp.baud_base = 115200; - tmp.close_delay = 0; - tmp.closing_wait = 0; - tmp.custom_divisor = 0; - tmp.hub6 = 0; + if (copy_to_user(retinfo, &tmp, sizeof(*retinfo))) return -EFAULT; -- 2.8.2
