[NET] include/net/: Spelling fixes

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/ax25.h b/include/net/ax25.h
index 4e3cd93..32a57e1 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -35,7 +35,7 @@
 #define AX25_P_ATALK			0xca	/* Appletalk                  */
 #define AX25_P_ATALK_ARP		0xcb	/* Appletalk ARP              */
 #define AX25_P_IP			0xcc	/* ARPA Internet Protocol     */
-#define AX25_P_ARP			0xcd	/* ARPA Adress Resolution     */
+#define AX25_P_ARP			0xcd	/* ARPA Address Resolution    */
 #define AX25_P_FLEXNET			0xce	/* FlexNet                    */
 #define AX25_P_NETROM 			0xcf	/* NET/ROM                    */
 #define AX25_P_TEXT 			0xF0	/* No layer 3 protocol impl.  */
diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h
index 29c9da7..c17fa1f 100644
--- a/include/net/ip6_tunnel.h
+++ b/include/net/ip6_tunnel.h
@@ -23,7 +23,7 @@
 	struct net_device *dev;	/* virtual device associated with tunnel */
 	struct net_device_stats stat;	/* statistics for tunnel device */
 	int recursion;		/* depth of hard_start_xmit recursion */
-	struct ip6_tnl_parm parms;	/* tunnel configuration paramters */
+	struct ip6_tnl_parm parms;	/* tunnel configuration parameters */
 	struct flowi fl;	/* flowi template for xmit */
 	struct dst_entry *dst_cache;    /* cached dst */
 	u32 dst_cookie;
diff --git a/include/net/irda/discovery.h b/include/net/irda/discovery.h
index eb0f9de..e4efad1 100644
--- a/include/net/irda/discovery.h
+++ b/include/net/irda/discovery.h
@@ -80,7 +80,7 @@
 	irda_queue_t	q;		/* Must be first! */
 
 	discinfo_t	data;		/* Basic discovery information */
-	int		name_len;	/* Lenght of nickname */
+	int		name_len;	/* Length of nickname */
 
 	LAP_REASON	condition;	/* More info about the discovery */
 	int		gen_addr_bit;	/* Need to generate a new device
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 002a00a..bb96574 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -301,7 +301,7 @@
 	/* The default SACK delay timeout for new associations. */
 	__u32 sackdelay;
 
-	/* Flags controling Heartbeat, SACK delay, and Path MTU Discovery. */
+	/* Flags controlling Heartbeat, SACK delay, and Path MTU Discovery. */
 	__u32 param_flags;
 
 	struct sctp_initmsg initmsg;
@@ -955,7 +955,7 @@
 	/* PMTU	      : The current known path MTU.  */
 	__u32 pathmtu;
 
-	/* Flags controling Heartbeat, SACK delay, and Path MTU Discovery. */
+	/* Flags controlling Heartbeat, SACK delay, and Path MTU Discovery. */
 	__u32 param_flags;
 
 	/* The number of times INIT has been sent on this transport. */
@@ -1638,7 +1638,7 @@
 	 */
 	__u32 pathmtu;
 
-	/* Flags controling Heartbeat, SACK delay, and Path MTU Discovery. */
+	/* Flags controlling Heartbeat, SACK delay, and Path MTU Discovery. */
 	__u32 param_flags;
 
 	/* SACK delay timeout */