ipmi_si: use bool type for initialized variable

Cover 'int' to 'bool' type for initialized variable.

Signed-off-by: Kefeng Wang <[e-mail]>
Message-Id: <[e-mail]>
Signed-off-by: Corey Minyard <[e-mail]>

drivers/char/ipmi/ipmi_si_intf.c

···
 
 static const char * const si_to_str[] = { "invalid", "kcs", "smic", "bt" };
 
-static int initialized;
+static bool initialized;
 
 /*
  * Indexes into stats[] in smi_info below.
···
 	}
 
 skip_fallback_noirq:
-	initialized = 1;
+	initialized = true;
 	mutex_unlock(&smi_infos_lock);
 
 	if (type)