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ipv6: fix ipv6_prefix_equal64_half mask conversion

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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:

3867517 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>
This commit is contained in:
Fabio Baltieri 2013-01-16 22:30:17 +01:00 committed by David S. Miller
parent c2a936600f
commit 512613d7dd
1 changed files with 1 additions and 1 deletions
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2
include/net/ipv6.h
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@ -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;
}