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| author |   Linus Walleij <linus.walleij@linaro.org> | 2016-09-23 14:57:16 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-09-23 14:57:16 +0200 |
| commit | 0565f49cfe937640c2347f6d7f40ad2f4e4f088b (patch) | |
| tree | 6067447df39c37946bc2de3ee004f45957bf123e /drivers/usb/gadget/function/u_serial.c | |
| parent | Merge branch 'gpio-irq-validmask' into devel (diff) | |
| parent | Linux 4.8-rc6 (diff) | |
| download | linux-dev-0565f49cfe937640c2347f6d7f40ad2f4e4f088b.tar.xz linux-dev-0565f49cfe937640c2347f6d7f40ad2f4e4f088b.zip | |
Merge tag 'v4.8-rc6' into devel
Linux 4.8-rc6
Diffstat (limited to 'drivers/usb/gadget/function/u_serial.c')
| -rw-r--r-- | drivers/usb/gadget/function/u_serial.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c index 6ded6345cd09..e0cd1e4c8892 100644 --- a/drivers/usb/gadget/function/u_serial.c +++ b/drivers/usb/gadget/function/u_serial.c @@ -375,10 +375,15 @@ __acquires(&port->port_lock) */ { struct list_head *pool = &port->write_pool; - struct usb_ep *in = port->port_usb->in; + struct usb_ep *in; int status = 0; bool do_tty_wake = false; + if (!port->port_usb) + return status; + + in = port->port_usb->in; + while (!port->write_busy && !list_empty(pool)) { struct usb_request *req; int len; |