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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-06-20 16:24:02 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-06-20 16:24:02 -0700
commitff446f2001cf9b5ed97c6256c4ee3549d3b7abed (patch)
treeec5fd60a8b9c21ae85eaa99003f26e6c342e2234 /drivers/usb/class
parent78091dc2f6f04b03131218df590c877cadcd9379 (diff)
parent485802a6c524e62b5924849dd727ddbb1497cc71 (diff)
downloadlinux-ff446f2001cf9b5ed97c6256c4ee3549d3b7abed.tar.bz2
Merge 3.5-rc3 into usb-next
This lets us catch the USB fixes that went into 3.5-rc3 into this branch, as we want them here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/class')
-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;