From: Arturo Borrero <arturo.borrero.glez@gmail.com>
Date: Mon, 6 Apr 2015 18:05:41 +0000 (+0200)
Subject: list: fix prefetch dummy
X-Git-Tag: v1.6.0~27
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=86a65af62b6b986aa2ae3cbf3c655ea8225b027a;p=thirdparty%2Fiptables.git

list: fix prefetch dummy

linux_list.h:381:59: warning: right-hand operand of comma expression has no effect [-Wunused-value]
  for (pos = list_entry((head)->next, typeof(*pos), member), \
                                                           ^
libiptc.c:552:2: note: in expansion of macro 'list_for_each_entry'
  list_for_each_entry(c, &h->chains, list) {
  ^

[ Patch copied from one similar of Patrick McHardy on libnftnl ]

Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
---

diff --git a/libiptc/linux_list.h b/libiptc/linux_list.h
index abdcf88d..559e33c9 100644
--- a/libiptc/linux_list.h
+++ b/libiptc/linux_list.h
@@ -27,7 +27,7 @@
 	1; \
 })
 
-#define prefetch(x)		1
+#define prefetch(x)		((void)0)
 
 /* empty define to make this work in userspace -HW */
 #define smp_wmb()