openwrtv4/package/kernel/mac80211/patches/160-backports-only-add-net_get_random_once-when-not-avai.patch
Hauke Mehrtens 33264155cb mac80211: fix warning with kernel 3.14
This fixes a redefinition of net_get_random_once() warning.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 42141
2014-08-11 20:23:20 +00:00

27 lines
1 KiB
Diff

From 6e5603fa9e5b0d3c602eb1672473e81a1692f61e Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sat, 31 May 2014 15:52:42 +0200
Subject: [PATCH] backports: only add net_get_random_once() when not available
Upstream commit: d787b3dd3b4fcb5f40eb6532163dc3abdca4fd45
net_get_random_once() was added unconditionally also when the kernel we
are compiling against already provided this function, this patch checks
that first.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
backport/backport-include/linux/net.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/backport-include/linux/net.h
+++ b/backport-include/linux/net.h
@@ -64,7 +64,7 @@ do { \
* may affect tracing. My recommendation is that if you have a need for
* static keys you just require at least 3.5 to remain sane.
*/
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0) && !defined(net_get_random_once)
#define __BACKPORT_NET_GET_RANDOM_ONCE 1
#endif
#endif /* ___NET_RANDOM_STATIC_KEY_INIT */