[PATCH 65/69] TTY: usb/u_serial use close_wait from tty_port

From: Jiri Slaby
Date: Mon Apr 02 2012 - 08:04:57 EST


Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
drivers/usb/gadget/u_serial.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/gadget/u_serial.c b/drivers/usb/gadget/u_serial.c
index d038a90..71ecae7 100644
--- a/drivers/usb/gadget/u_serial.c
+++ b/drivers/usb/gadget/u_serial.c
@@ -102,8 +102,6 @@ struct gs_port {
bool openclose; /* open/close in progress */
u8 port_num;

- wait_queue_head_t close_wait; /* wait for last close */
-
struct list_head read_pool;
int read_started;
int read_allocated;
@@ -885,7 +883,7 @@ static void gs_close(struct tty_struct *tty, struct file *file)
pr_debug("gs_close: ttyGS%d (%p,%p) done!\n",
port->port_num, tty, file);

- wake_up_interruptible(&port->close_wait);
+ wake_up_interruptible(&port->port.close_wait);
exit:
spin_unlock_irq(&port->port_lock);
}
@@ -1035,7 +1033,6 @@ gs_port_alloc(unsigned port_num, struct usb_cdc_line_coding *coding)

tty_port_init(&port->port);
spin_lock_init(&port->port_lock);
- init_waitqueue_head(&port->close_wait);
init_waitqueue_head(&port->drain_wait);

tasklet_init(&port->push, gs_rx_push, (unsigned long) port);
@@ -1194,7 +1191,7 @@ void gserial_cleanup(void)
tasklet_kill(&port->push);

/* wait for old opens to finish */
- wait_event(port->close_wait, gs_closed(port));
+ wait_event(port->port.close_wait, gs_closed(port));

WARN_ON(port->port_usb != NULL);

--
1.7.9.2


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