[IPV6]: Fix spelling/typos.

net/ipv6/ip6_input.c

@@ -145,7 +145,7 @@ static inline int ip6_input_finish(struct sk_buff *skb)
 	nexthdr = skb->nh.ipv6h->nexthdr;
 	nhoff = offsetof(struct ipv6hdr, nexthdr);
 
-	/* Skip  hop-by-hop options, they are already parsed. */
+	/* Skip hop-by-hop options, they are already parsed. */
 	if (nexthdr == NEXTHDR_HOP) {
 		nhoff = sizeof(struct ipv6hdr);
 		nexthdr = skb->h.raw[0];

net/ipv6/ip6_output.c

@@ -381,7 +381,7 @@ static int ip6_frag_xmit(struct sock *sk, inet_getfrag_t getfrag,
 	/*
 	 *	Length of fragmented part on every packet but 
 	 *	the last must be an:
-	 *	"integer multiple of 8 octects".
+	 *	"integer multiple of 8 octets".
 	 */
 
 	frag_len = (mtu - unfrag_len) & ~0x7;
@@ -587,7 +587,7 @@ int ip6_build_xmit(struct sock *sk, inet_getfrag_t getfrag, const void *data,
 		if (err) {
 #if IP6_DEBUG >= 2
 			printk(KERN_DEBUG "ip6_build_xmit: "
-			       "no availiable source address\n");
+			       "no available source address\n");
 #endif
 			goto out;
 		}
@@ -1187,7 +1187,7 @@ int ip6_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi *fl)
 		if (err) {
 #if IP6_DEBUG >= 2
 			printk(KERN_DEBUG "ip6_build_xmit: "
-			       "no availiable source address\n");
+			       "no available source address\n");
 #endif
 			return err;
 		}