ADB: Minor fix, autopoll list could be lost on a failed bus reset

drivers/macintosh/adb.c

@@ -83,6 +83,7 @@ static pid_t adb_probe_task_pid;
 static DECLARE_MUTEX(adb_probe_mutex);
 static struct completion adb_probe_task_comp;
 static int sleepy_trackpad;
+static int autopoll_devs;
 int __adb_probe_sync;
 
 #ifdef CONFIG_PMAC_PBOOK
@@ -379,7 +380,7 @@ adb_notify_sleep(struct pmu_sleep_notifier *self, int when)
 static int
 do_adb_reset_bus(void)
 {
-	int ret, nret, devs;
+	int ret, nret;
 	
 	if (adb_controller == NULL)
 		return -ENXIO;
@@ -390,7 +391,7 @@ do_adb_reset_bus(void)
 	nret = notifier_call_chain(&adb_client_list, ADB_MSG_PRE_RESET, NULL);
 	if (nret & NOTIFY_STOP_MASK) {
 		if (adb_controller->autopoll)
-			adb_controller->autopoll(devs);
+			adb_controller->autopoll(autopoll_devs);
 		return -EBUSY;
 	}
 
@@ -416,9 +417,9 @@ do_adb_reset_bus(void)
 	}
 
 	if (!ret) {
-		devs = adb_scan_bus();
+		autopoll_devs = adb_scan_bus();
 		if (adb_controller->autopoll)
-			adb_controller->autopoll(devs);
+			adb_controller->autopoll(autopoll_devs);
 	}
 	up(&adb_handler_sem);