xfrm: trivial typos

o s/descentant/descendant
o s/workarbound/workaround

Signed-off-by: Alexander Alemayhu <alexander@alemayhu.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

net/xfrm/xfrm_policy.c

@@ -330,7 +330,7 @@ void xfrm_policy_destroy(struct xfrm_policy *policy)
 }
 EXPORT_SYMBOL(xfrm_policy_destroy);
 
-/* Rule must be locked. Release descentant resources, announce
+/* Rule must be locked. Release descendant resources, announce
  * entry dead. The rule must be unlinked from lists to the moment.
  */
 

net/xfrm/xfrm_state.c

@@ -409,7 +409,7 @@ static enum hrtimer_restart xfrm_timer_handler(struct hrtimer *me)
 			if (x->xflags & XFRM_SOFT_EXPIRE) {
 				/* enter hard expire without soft expire first?!
 				 * setting a new date could trigger this.
-				 * workarbound: fix x->curflt.add_time by below:
+				 * workaround: fix x->curflt.add_time by below:
 				 */
 				x->curlft.add_time = now - x->saved_tmo - 1;
 				tmo = x->lft.hard_add_expires_seconds - x->saved_tmo;