ipv6: fix overlap check for fragments

[net-next-2.6.git] / net / ipv6 / reassembly.c

diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index c7ba3149633fcf79160849498d87ae5e53f695b1..0f276645375969054b36aea6c8fcb7a80666921c 100644 (file)
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -349,7 +349,7 @@ found:
 
        /* Check for overlap with preceding fragment. */
        if (prev &&
-           (FRAG6_CB(prev)->offset + prev->len) - offset > 0)
+           (FRAG6_CB(prev)->offset + prev->len) > offset)
                goto discard_fq;
 
        /* Look for overlap with succeeding segment. */