From: Peter Chen <peter.chen@freescale.com>
Date: Sat, 31 Dec 2011 06:56:47 +0000 (+0800)
Subject: ENGR00171043 gadget-audio: Kernel panic after insert g_audio at second time
X-Git-Tag: v3.0.35-fsl~1677
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=aa28dcda32885f63a3f2e41554944f157169332e;p=karo-tx-linux.git

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 325bfb4e090c..62e2122dbbe3 100644
--- 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;
 }