This is a note to let you know that I've just added the patch titled
serial: tegra: fix tty-kref leak
to the 3.11-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
serial-tegra-fix-tty-kref-leak.patch
and it can be found in the queue-3.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From cfd29aa0e81b791985e8428e6507e80e074e6730 Mon Sep 17 00:00:00 2001
From: Johan Hovold <jhovold@xxxxxxxxx>
Date: Tue, 10 Sep 2013 12:50:48 +0200
Subject: serial: tegra: fix tty-kref leak
From: Johan Hovold <jhovold@xxxxxxxxx>
commit cfd29aa0e81b791985e8428e6507e80e074e6730 upstream.
Fix potential tty-kref leak in stop_rx path.
Signed-off-by: Johan Hovold <jhovold@xxxxxxxxx>
Tested-by: Stephen Warren <swarren@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/tty/serial/serial-tegra.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/tty/serial/serial-tegra.c
+++ b/drivers/tty/serial/serial-tegra.c
@@ -726,7 +726,7 @@ static irqreturn_t tegra_uart_isr(int ir
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 ua
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;
Patches currently in stable-queue which might be from jhovold@xxxxxxxxx are
queue-3.11/serial-tegra-fix-tty-kref-leak.patch
queue-3.11/serial-pch_uart-fix-tty-kref-leak-in-dma-rx-path.patch
queue-3.11/serial-pch_uart-fix-tty-kref-leak-in-rx-error-path.patch
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