sctp: fix some comments in associola.c

fix some typos
Acked-by: NNeil Horman <nhorman@tuxdriver.com>
Signed-off-by: NWang Weidong <wangweidong1@huawei.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/sctp/associola.c

@@ -127,7 +127,7 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
 	 */
 	asoc->param_flags = sp->param_flags;
 
-	/* Initialize the maximum mumber of new data packets that can be sent
+	/* Initialize the maximum number of new data packets that can be sent
 	 * in a burst.
 	 */
 	asoc->max_burst = sp->max_burst;
@@ -230,7 +230,7 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
 
 	/* Assume that the peer will tell us if he recognizes ASCONF
 	 * as part of INIT exchange.
-	 * The sctp_addip_noauth option is there for backward compatibilty
+	 * The sctp_addip_noauth option is there for backward compatibility
 	 * and will revert old behavior.
 	 */
 	if (net->sctp.addip_noauth)
@@ -1222,7 +1222,7 @@ void sctp_assoc_update(struct sctp_association *asoc,
 		}
 	}
 
-	/* SCTP-AUTH: Save the peer parameters from the new assocaitions
+	/* SCTP-AUTH: Save the peer parameters from the new associations
 	 * and also move the association shared keys over
 	 */
 	kfree(asoc->peer.peer_random);
@@ -1447,7 +1447,7 @@ void sctp_assoc_rwnd_decrease(struct sctp_association *asoc, unsigned int len)
 
 	/* If we've reached or overflowed our receive buffer, announce
 	 * a 0 rwnd if rwnd would still be positive.  Store the
-	 * the pottential pressure overflow so that the window can be restored
+	 * the potential pressure overflow so that the window can be restored
 	 * back to original value.
 	 */
 	if (rx_count >= asoc->base.sk->sk_rcvbuf)