hwmon: (coretemp) Properly label the sensors

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>
Cc: stable@kernel.org

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 3b168faee79..05344af5073 100644
--- a/drivers/hwmon/coretemp.c
+++ b/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;
 }
 
@@ -304,6 +305,9 @@ 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);