From: Anand Moon <linux.amoon@xxxxxxxxx>
changes fix the correct order of the spin_lock_irqrestore/save.
Signed-off-by: Anand Moon <linux.amoon@xxxxxxxxx>
---
drivers/tty/serial/samsung.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index d72cd73..96fe14d 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -759,9 +759,9 @@ static irqreturn_t s3c24xx_serial_tx_chars(int irq, void *id)
}
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) {
- spin_unlock(&port->lock);
+ spin_unlock_irqrestore(&port->lock, flags);
uart_write_wakeup(port);
- spin_lock(&port->lock);
+ spin_lock_irqsave(&port->lock, flags);
}
if (uart_circ_empty(xmit))
--
1.9.1
--
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