aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/usb/serial/usb-serial.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index e3e3728e16e..a3665659d13 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -122,11 +122,9 @@ static void return_serial(struct usb_serial *serial)
if (serial == NULL)
return;
- spin_lock(&table_lock);
for (i = 0; i < serial->num_ports; ++i) {
serial_table[serial->minor + i] = NULL;
}
- spin_unlock(&table_lock);
}
static void destroy_serial(struct kref *kref)
@@ -174,7 +172,9 @@ static void destroy_serial(struct kref *kref)
void usb_serial_put(struct usb_serial *serial)
{
+ spin_lock(&table_lock);
kref_put(&serial->kref, destroy_serial);
+ spin_unlock(&table_lock);
}
/*****************************************************************************