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| author | Grant Likely <grant.likely@secretlab.ca> | 2012-07-11 16:08:35 +0100 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2012-07-11 16:08:35 +0100 |
| commit | 80c1834fc86c2bbacb54a8fc3c04a8b0066b0996 (patch) | |
| tree | 8200248706960af8b779e9144f5b51c670602228 /drivers/usb/class/cdc-acm.c | |
| parent | 22076c7712be29a602de45b1c573f31adbd428a9 (diff) | |
| parent | bd0a521e88aa7a06ae7aabaed7ae196ed4ad867a (diff) | |
Merge tag 'v3.5-rc6' into irqdomain/next
Linux 3.5-rc6
Diffstat (limited to 'drivers/usb/class/cdc-acm.c')
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 8 |
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; |