From: Mike Lockwood <lockwood@android.com>
Date: Fri, 26 Feb 2010 14:30:01 +0000 (-0500)
Subject: USB: gadget: composite: Don't call set_alt() on functions that are hidden.
X-Git-Tag: firefly_0821_release~9833^2~5^2~227
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=af1f674f09693f18f1dd1446afdc8ed719d0ab07;p=firefly-linux-kernel-4.4.55.git

USB: gadget: composite: Don't call set_alt() on functions that are hidden.

Signed-off-by: Mike Lockwood <lockwood@android.com>
---

diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 5fa948978f20..61dcd0cc9d10 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -480,6 +480,8 @@ static int set_config(struct usb_composite_dev *cdev,
 
 		if (!f)
 			break;
+		if (f->hidden)
+			continue;
 
 		/*
 		 * Record which endpoints are used by the function. This is used