[IPV6] Fix ipv6_addr_prefix() for prefixlen != 0 (mod 8)

cb78b143 · Jean-Luc Richier · David S. Miller · faa1cc2a · cb78b143
Commit cb78b143 authored Jul 11, 2003 by Jean-Luc Richier Committed by David S. Miller Jul 11, 2003
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include/net/ipv6.h include/net/ipv6.h +3 -1

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--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -276,8 +276,10 @@ static inline void ipv6_addr_prefix(struct in6_addr *pfx,
 	    b = plen & 0x7;

 	memcpy(pfx->s6_addr, addr, o);
-	if (b != 0)
+	if (b != 0) {
 		pfx->s6_addr[o] = addr->s6_addr[o] & (0xff00 >> b);
+		o++;
+	}
 	if (o < 16)
 		memset(pfx->s6_addr + o, 0, 16 - o);
 }