hwmon: (coretemp) Properly label the sensors

commit 3f4f09b4 upstream.

Don't assume that CPU entry number and core ID always match. It
worked in the simple cases (single CPU, no HT) but fails on
multi-CPU systems.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Huaxu Wan <huaxu.wan@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/hwmon/coretemp.c

@@ -53,6 +53,7 @@ struct coretemp_data {
 	struct mutex update_lock;
 	const char *name;
 	u32 id;
+	u16 core_id;
 	char valid;		/* zero until following fields are valid */
 	unsigned long last_updated;	/* in jiffies */
 	int temp;
@@ -75,7 +76,7 @@ static ssize_t show_name(struct device *dev, struct device_attribute
 	if (attr->index == SHOW_NAME)
 		ret = sprintf(buf, "%s\n", data->name);
 	else	/* show label */
-		ret = sprintf(buf, "Core %d\n", data->id);
+		ret = sprintf(buf, "Core %d\n", data->core_id);
 	return ret;
 }
 
@@ -255,6 +256,9 @@ static int __devinit coretemp_probe(struct platform_device *pdev)
 	}
 
 	data->id = pdev->id;
+#ifdef CONFIG_SMP
+	data->core_id = c->cpu_core_id;
+#endif
 	data->name = "coretemp";
 	mutex_init(&data->update_lock);