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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-07-05 08:25:34 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-07-05 08:25:34 -0700
commit6fbfd0592ef88ba29cdce84ef92757351f1fa9c9 (patch)
tree7c0af4bcc08f3ad7befb93d73d9729f82252c950 /drivers/usb/class/cdc-acm.c
parentf2c32a882d2c1cde6fc552a5a3d34b4c1330edb8 (diff)
parent6887a4131da3adaab011613776d865f4bcfb5678 (diff)
Merge v3.5-rc5 into driver-core-next
This picks up the big printk fixes, and resolves a merge issue with: drivers/extcon/extcon_gpio.c Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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)
usb_autopm_put_interface(acm->control);
+ /*
+ * Unthrottle device in case the TTY was closed while throttled.
+ */
+ spin_lock_irq(&acm->read_lock);
+ acm->throttled = 0;
+ acm->throttle_req = 0;
+ spin_unlock_irq(&acm->read_lock);
+
if (acm_submit_read_urbs(acm, GFP_KERNEL))
goto error_submit_read_urbs;