[PATCH net-next] ipv6: fix ipv6_prefix_equal64_half mask conversion

[Fabio Baltieri]

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@xxxxxxxxxx>
---
 include/net/ipv6.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index dfc1363..459a5a4 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -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;
 }
-- 
1.7.12.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/