Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>

net/sched/act_api.c

@@ -999,7 +999,7 @@ static int tc_ctl_action(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
 	switch (n->nlmsg_type) {
 	case RTM_NEWACTION:
 		/* we are going to assume all other flags
-		 * imply create only if it doesnt exist
+		 * imply create only if it doesn't exist
 		 * Note that CREATE | EXCL implies that
 		 * but since we want avoid ambiguity (eg when flags
 		 * is zero) then just set this

net/sched/act_pedit.c

@@ -161,7 +161,7 @@ static int tcf_pedit(struct sk_buff *skb, struct tc_action *a,
 			}
 			if (offset > 0 && offset > skb->len) {
 				pr_info("tc filter pedit"
-					" offset %d cant exceed pkt length %d\n",
+					" offset %d can't exceed pkt length %d\n",
 				       offset, skb->len);
 				goto bad;
 			}

net/sched/em_meta.c

@@ -47,7 +47,7 @@
  * 	on the meta type. Obviously, the length of the data must also
  * 	be provided for non-numeric types.
  *
- * 	Additionaly, type dependant modifiers such as shift operators
+ * 	Additionally, type dependent modifiers such as shift operators
  * 	or mask may be applied to extend the functionaliy. As of now,
  * 	the variable length type supports shifting the byte string to
  * 	the right, eating up any number of octets and thus supporting

net/sched/sch_htb.c

@@ -183,7 +183,7 @@ static inline struct htb_class *htb_find(u32 handle, struct Qdisc *sch)
  * filters in qdisc and in inner nodes (if higher filter points to the inner
  * node). If we end up with classid MAJOR:0 we enqueue the skb into special
  * internal fifo (direct). These packets then go directly thru. If we still
- * have no valid leaf we try to use MAJOR:default leaf. It still unsuccessfull
+ * have no valid leaf we try to use MAJOR:default leaf. It still unsuccessful
  * then finish and return direct queue.
  */
 #define HTB_DIRECT ((struct htb_class *)-1L)

net/sched/sch_netem.c

@@ -160,7 +160,7 @@ static bool loss_4state(struct netem_sched_data *q)
 	u32 rnd = net_random();
 
 	/*
-	 * Makes a comparision between rnd and the transition
+	 * Makes a comparison between rnd and the transition
 	 * probabilities outgoing from the current state, then decides the
 	 * next state and if the next packet has to be transmitted or lost.
 	 * The four states correspond to:
@@ -212,9 +212,9 @@ static bool loss_4state(struct netem_sched_data *q)
  * Generates losses according to the Gilbert-Elliot loss model or
  * its special cases  (Gilbert or Simple Gilbert)
  *
- * Makes a comparision between random number and the transition
+ * Makes a comparison between random number and the transition
  * probabilities outgoing from the current state, then decides the
- * next state. A second random number is extracted and the comparision
+ * next state. A second random number is extracted and the comparison
  * with the loss probability of the current state decides if the next
  * packet will be transmitted or lost.
  */