diff mbox

[net-next] ipv6: fix ipv6_prefix_equal64_half mask conversion

Message ID 1358371817-15378-1-git-send-email-fabio.baltieri@linaro.org
State Accepted
Commit 512613d7dde7b679597485e9335bd64e90df78fa
Headers show

Commit Message

Fabio Baltieri Jan. 16, 2013, 9:30 p.m. UTC 
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>
---
 include/net/ipv6.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

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;
 }