From ddc9bb706808468b2808ab9a32efc5f8dfb346c9 Mon Sep 17 00:00:00 2001
From: Ed Maste <emaste@FreeBSD.org>
Date: Fri, 4 Oct 2024 11:49:53 -0400
Subject: [PATCH] usb: fix loop in usb_config_parse

By inspection, index increment was missing.

PR:		281843
Reported by:	Matt Jacobson
Reviewed by:	bz, markj
Fixes: e4611d26265f ("usb(4): Call optional endpoint_uninit() when changing configuration or alternate setting.")
Sponsored by:	The FreeBSD Foundation

(cherry picked from commit 114080d19973331426cd826f3a961c6ea9216a53)
---
 sys/dev/usb/usb_device.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/dev/usb/usb_device.c b/sys/dev/usb/usb_device.c
index c4fe3b4a6ab..bce1541ab3a 100644
--- a/sys/dev/usb/usb_device.c
+++ b/sys/dev/usb/usb_device.c
@@ -855,6 +855,7 @@ usb_config_parse(struct usb_device *udev, uint8_t iface_index, uint8_t cmd)
 					if (ep->refcount_alloc != 0)
 						return (USB_ERR_IN_USE);
 				}
+				ep++;
 			}
 		}