Commit 1f100b32 authored by Alan Cox's avatar Alan Cox Committed by Greg Kroah-Hartman
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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 <>
Signed-off-by: default avatarGreg Kroah-Hartman <>
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)
if (onoff == 0)
sdio_uart_clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
sdio_uart_set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
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