ENGR00171043 gadget-audio: Kernel panic after insert g_audio at second time

The reason is it does not call usb_ep_disable at gadget disable routine.

Signed-off-by: Peter Chen <peter.chen@freescale.com>

diff --git a/drivers/usb/gadget/f_audio.c b/drivers/usb/gadget/f_audio.c
index 325bfb4e090cda2ff15a10607c9bbb292e9c3f37..62e2122dbbe35a78afff470d5ea25ee6049fd117 100644 (file)
--- a/drivers/usb/gadget/f_audio.c
+++ b/drivers/usb/gadget/f_audio.c
@@ -644,6 +644,10 @@ static int f_audio_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
 
 static void f_audio_disable(struct usb_function *f)
 {
+       struct f_audio          *audio = func_to_audio(f);
+
+       usb_ep_disable(audio->out_ep);
+
        return;
 }