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| author | Felipe F. Tonello <eu@felipetonello.com> | 2015-11-10 18:52:03 +0100 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2015-11-19 21:48:50 +0100 |
| commit | e9ca7e4bb30cbf4c8d2e2e34681a967c10b3ff54 (patch) | |
| tree | 57269bfcfcf217a3ccff1bd4c1a086317ee7c4f8 | |
| parent | usb: dwc2: make otg clk optional (diff) | |
| download | linux-e9ca7e4bb30cbf4c8d2e2e34681a967c10b3ff54.tar.xz linux-e9ca7e4bb30cbf4c8d2e2e34681a967c10b3ff54.zip | |
usb: gadget: f_midi: Transmit data only when IN ep is enabled
This makes sure f_midi doesn't try to enqueue data when the IN endpoint is
disabled, ie, USB cable is disconnected.
Reviewed-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe F. Tonello <eu@felipetonello.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
| -rw-r--r-- | drivers/usb/gadget/function/f_midi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c index 42acb45e1ab4..7877aa8e2aec 100644 --- a/drivers/usb/gadget/function/f_midi.c +++ b/drivers/usb/gadget/function/f_midi.c @@ -545,7 +545,7 @@ static void f_midi_transmit(struct f_midi *midi, struct usb_request *req) } } - if (req->length > 0) { + if (req->length > 0 && ep->enabled) { int err; err = usb_ep_queue(ep, req, GFP_ATOMIC); |