From 36fe0f3a410858990c992132b4ae8ba4bc511739 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Fri, 23 Jun 2017 20:45:24 +0200
Subject: socket: verify saddr belongs to interface

This helps "unstick" stuck source addresses, when changing routes
dynamically.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---
 src/compat/compat.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/compat/compat.h')

diff --git a/src/compat/compat.h b/src/compat/compat.h
index feb4347..eb17c8e 100644
--- a/src/compat/compat.h
+++ b/src/compat/compat.h
@@ -279,6 +279,11 @@ static inline u64 ktime_get_ns(void)
 }
 #endif
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0)
+#include <linux/inetdevice.h>
+#define inet_confirm_addr(a,b,c,d,e) inet_confirm_addr(b,c,d,e)
+#endif
+
 /* https://lkml.org/lkml/2015/6/12/415 */
 #include <linux/netdevice.h>
 static inline struct net_device *netdev_pub(void *dev)
-- 
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