compat: Detect and use __skb_dst_copy().

[cascardo/ovs.git] / acinclude.m4

diff --git a/acinclude.m4 b/acinclude.m4
index 54c6e72..dddbd1c 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -471,6 +471,7 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
   OVS_GREP_IFELSE([$KSRC/include/net/checksum.h], [csum_unfold])
 
   OVS_GREP_IFELSE([$KSRC/include/net/dst.h], [dst_discard_sk])
+  OVS_GREP_IFELSE([$KSRC/include/net/dst.h], [__skb_dst_copy])
 
   OVS_GREP_IFELSE([$KSRC/include/net/genetlink.h], [genl_has_listeners])
   OVS_GREP_IFELSE([$KSRC/include/net/genetlink.h], [mcgrp_offset])