Commit 512613d7 authored by Fabio Baltieri's avatar Fabio Baltieri Committed by David S. Miller
Browse files

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:


 ipv6: 64bit version of ipv6_prefix_equal().
Signed-off-by: default avatarFabio Baltieri <>
Signed-off-by: default avatarDavid S. Miller <>
parent c2a93660
......@@ -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;
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