drivers/char/ipmi: Use KCS_IDLE_STATE

KCS_IDLE and KCS_IDLE state have the same value, but in this function the
constants ending in _STATE are compared to the state variable.
Signed-off-by: NJulia Lawall <julia@diku.dk>
Acked-by: NCore Minyard <cminyard@mvista.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/char/ipmi/ipmi_kcs_sm.c

@@ -370,7 +370,7 @@ static enum si_sm_result kcs_event(struct si_sm_data *kcs, long time)
 			return SI_SM_IDLE;
 
 	case KCS_START_OP:
-		if (state != KCS_IDLE) {
+		if (state != KCS_IDLE_STATE) {
 			start_error_recovery(kcs,
 					     "State machine not idle at start");
 			break;