commit 2934985086b95c45273d159f06bd72aecb8da364
author David S. Miller <davem@davemloft.net> Wed Mar 24 16:42:54 2021 -0700
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> Sat Apr 10 13:36:10 2021 +0200
tree 3dd02bcffa7faaea4e6ae5a58c18c8e2d271008c
parent 7345d4b2d42122ed7da3714db0fc30ad5a93fee3

math: Export mul_u64_u64_div_u64

[ Upstream commit bf45947864764548697e7515fe693e10f173f312 ]

Fixes: f51d7bf1dbe5 ("ptp_qoriq: fix overflow in ptp_qoriq_adjfine() u64 calcalation")
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

lib/math/div64.c

diff --git a/lib/math/div64.c b/lib/math/div64.c
index 3952a07..edd1090 100644
--- a/lib/math/div64.c
+++ b/lib/math/div64.c
@@ -230,4 +230,5 @@ u64 mul_u64_u64_div_u64(u64 a, u64 b, u64 c)
 
 	return res + div64_u64(a * b, c);
 }
+EXPORT_SYMBOL(mul_u64_u64_div_u64);
 #endif