Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-backlight

[cascardo/linux.git] / drivers / usb / class / cdc-acm.c

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 85a1a55..e3861b2 100644 (file)
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -59,6 +59,7 @@
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/tty.h>
+#include <linux/serial.h>
 #include <linux/tty_driver.h>
 #include <linux/tty_flip.h>
 #include <linux/module.h>
@@ -609,6 +610,7 @@ static int acm_tty_open(struct tty_struct *tty, struct file *filp)
        acm->throttle = 0;
 
        tasklet_schedule(&acm->urb_task);
+       set_bit(ASYNCB_INITIALIZED, &acm->port.flags);
        rv = tty_port_block_til_ready(&acm->port, tty, filp);
 done:
        mutex_unlock(&acm->mutex);