Commit 64dc8de4 authored by Johan Hovold's avatar Johan Hovold Committed by Greg Kroah-Hartman

serial: tegra: fix tty-kref leak

commit cfd29aa0 upstream.

Fix potential tty-kref leak in stop_rx path.
Signed-off-by: default avatarJohan Hovold <jhovold@gmail.com>
Tested-by: default avatarStephen Warren <swarren@nvidia.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent fe0da745
......@@ -726,7 +726,7 @@ static irqreturn_t tegra_uart_isr(int irq, void *data)
static void tegra_uart_stop_rx(struct uart_port *u)
{
struct tegra_uart_port *tup = to_tegra_uport(u);
struct tty_struct *tty = tty_port_tty_get(&tup->uport.state->port);
struct tty_struct *tty;
struct tty_port *port = &u->state->port;
struct dma_tx_state state;
unsigned long ier;
......@@ -738,6 +738,8 @@ static void tegra_uart_stop_rx(struct uart_port *u)
if (!tup->rx_in_progress)
return;
tty = tty_port_tty_get(&tup->uport.state->port);
tegra_uart_wait_sym_time(tup, 1); /* wait a character interval */
ier = tup->ier_shadow;
......
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