This makes sure f_midi doesn't try to enqueue data when the IN endpoint is
disabled, ie, USB cable is disconnected.
Signed-off-by: Felipe F. Tonello <eu@xxxxxxxxxxxxxxxxx>
---
drivers/usb/gadget/function/f_midi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
index ce3c8a6..eeb989d 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);
--
2.5.0
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