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authorJens Axboe <axboe@kernel.dk>2012-07-30 03:03:10 -0400
committerJens Axboe <axboe@kernel.dk>2012-07-30 03:03:10 -0400
commit72ea1f74fcdf874cca6d2c0962379523bbd99e2c (patch)
tree4c67be6c73356086ff44ef1b8b1c9479702689ca /drivers/usb/class/cdc-acm.c
parentb1af9be5ef77898c05667bb9dbf3b180d91d3292 (diff)
parenta73ff3231df59a4b92ccd0dd4e73897c5822489b (diff)
Merge branch 'for-jens' of git://git.drbd.org/linux-drbd into for-3.6/drivers
Diffstat (limited to 'drivers/usb/class/cdc-acm.c')
-rw-r--r--drivers/usb/class/cdc-acm.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index f2a120eea9d4..36a2a0b7b82c 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -567,6 +567,14 @@ static int acm_port_activate(struct tty_port *port, struct tty_struct *tty)
567 567
568 usb_autopm_put_interface(acm->control); 568 usb_autopm_put_interface(acm->control);
569 569
570 /*
571 * Unthrottle device in case the TTY was closed while throttled.
572 */
573 spin_lock_irq(&acm->read_lock);
574 acm->throttled = 0;
575 acm->throttle_req = 0;
576 spin_unlock_irq(&acm->read_lock);
577
570 if (acm_submit_read_urbs(acm, GFP_KERNEL)) 578 if (acm_submit_read_urbs(acm, GFP_KERNEL))
571 goto error_submit_read_urbs; 579 goto error_submit_read_urbs;
572 580