netdev - [PATCH v2 net-next] ipv4: Fix compilation errors in fib

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Message-Id: <1444109087-30676-1-git-send-email-pch@ordbogen.com>
Date:	Tue,  6 Oct 2015 07:24:47 +0200
From:	Peter Nørlund <pch@...bogen.com>
To:	netdev@...r.kernel.org
Cc:	"David S. Miller" <davem@...emloft.net>,
	Alexey Kuznetsov <kuznet@....inr.ac.ru>,
	James Morris <jmorris@...ei.org>,
	Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
	Patrick McHardy <kaber@...sh.net>,
	"Peter Noerlund" <pch@...bogen.com>
Subject: [PATCH v2 net-next] ipv4: Fix compilation errors in fib_rebalance

This fixes

net/built-in.o: In function `fib_rebalance':
fib_semantics.c:(.text+0x9df14): undefined reference to `__divdi3'

and

net/built-in.o: In function `fib_rebalance':
net/ipv4/fib_semantics.c:572: undefined reference to `__aeabi_ldivmod'

Fixes: 0e884c78ee19 ("ipv4: L3 hash-based multipath")

Signed-off-by: Peter Nørlund <pch@...bogen.com>
---
 net/ipv4/fib_semantics.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 0c49d2f..7bd698c 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -569,8 +569,8 @@ static void fib_rebalance(struct fib_info *fi)
 			upper_bound = -1;
 		} else {
 			w += nexthop_nh->nh_weight;
-			upper_bound = DIV_ROUND_CLOSEST(2147483648LL * w,
-							total) - 1;
+			upper_bound = DIV_ROUND_CLOSEST_ULL((u64)w << 31,
+							    total) - 1;
 		}
 
 		atomic_set(&nexthop_nh->nh_upper_bound, upper_bound);
-- 
2.1.4

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