From 3e67fb1c3b4a736a9e463ba853512c543f5335d1 Mon Sep 17 00:00:00 2001
From: hselasky <hselasky@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Date: Fri, 13 Mar 2020 09:18:28 +0000
Subject: [PATCH] MFC r358841: Fix for building libusb under Linux.

Sponsored by:	Mellanox Technologies


git-svn-id: svn://svn.freebsd.org/base/stable/10@358949 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
---
 lib/libusb/libusb_global_linux.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/libusb/libusb_global_linux.h b/lib/libusb/libusb_global_linux.h
index 13d344a92..0d4746a9a 100644
--- a/lib/libusb/libusb_global_linux.h
+++ b/lib/libusb/libusb_global_linux.h
@@ -75,4 +75,11 @@
 } while (0)
 #endif
 
+#ifndef TAILQ_FOREACH_SAFE
+#define	TAILQ_FOREACH_SAFE(var, head, field, tvar)			\
+	for ((var) = TAILQ_FIRST((head));				\
+	    (var) && ((tvar) = TAILQ_NEXT((var), field), 1);		\
+	    (var) = (tvar))
+#endif
+
 #endif					/* _LIBUSB_GLOBAL_LINUX_H_ */
-- 
2.42.0