Commit 512613d7 authored Jan 16, 2013 by Fabio Baltieri Committed by David S. Miller Jan 17, 2013

ipv6: fix ipv6_prefix_equal64_half mask conversion



Fix the 64bit optimized version of ipv6_prefix_equal to convert the
bitmask to network byte order only after the bit-shift.

The bug was introduced in:

38675170 ipv6: 64bit version of ipv6_prefix_equal().

Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent c2a93660

include/net/ipv6.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -404,7 +404,7 @@ static inline bool __ipv6_prefix_equal64_half(const __be64 *a1,
		const __be64 *a2,
		unsigned int len)
		{
		if (len && ((a1 ^ a2) & cpu_to_be64(~0UL) << (64 - len)))
		if (len && ((a1 ^ a2) & cpu_to_be64((~0UL) << (64 - len))))
		return false;
		return true;
		}