Commit 1f100b32 authored by Alan Cox's avatar Alan Cox Committed by Greg Kroah-Hartman
Browse files

tty: sdio_uart: Fix the locking on "func" for new code



The new dtr_rts function didn't take the port->func lock as it should
so add use of the lock there.
Signed-off-by: default avatarAlan Cox <alan@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 4b3b49bb
......@@ -603,10 +603,14 @@ static void uart_dtr_rts(struct tty_port *tport, int onoff)
{
struct sdio_uart_port *port =
container_of(tport, struct sdio_uart_port, port);
int ret = sdio_uart_claim_func(port);
if (ret)
return;
if (onoff == 0)
sdio_uart_clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
else
sdio_uart_set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
sdio_uart_release_func(port);
}
/**
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment