[PATCH] paride cleanup and fixes (14/25)

Equivalent transformation:
	call of pi_do_claimed() in run_fsm() expanded; recursive
	call of run_fsm() replaced with loop.

drivers/block/paride/pd.c

@@ -215,21 +215,25 @@ static struct request *pd_req;	/* current request */
 
 static void run_fsm(void)
 {
+	while (1) {
 		enum action res;
 
 		switch(res = phase()) {
 			case Ok: case Fail:
 				pi_unclaim(pi_current);
 				next_request(res);
-			break;
+				return;
 			case Wait:
 				pi_unclaim(pi_current);
 				/* fallthrough */
 			case Claim:
-			pi_do_claimed(pi_current, run_fsm);
+				if (!pi_schedule_claimed(pi_current, run_fsm))
+					return;
 				break;
 			case Hold:
 				ps_set_intr();
+				return;
+		}
 	}
 }