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path: root/drivers/hwmon/via-cputemp.c
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Diffstat (limited to 'drivers/hwmon/via-cputemp.c')
-rw-r--r--drivers/hwmon/via-cputemp.c35
1 files changed, 16 insertions, 19 deletions
diff --git a/drivers/hwmon/via-cputemp.c b/drivers/hwmon/via-cputemp.c
index ec7fad747ad..0d18de424c6 100644
--- a/drivers/hwmon/via-cputemp.c
+++ b/drivers/hwmon/via-cputemp.c
@@ -21,6 +21,8 @@
* 02110-1301 USA.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
@@ -202,7 +204,7 @@ static int __cpuinit via_cputemp_device_add(unsigned int cpu)
pdev = platform_device_alloc(DRVNAME, cpu);
if (!pdev) {
err = -ENOMEM;
- printk(KERN_ERR DRVNAME ": Device allocation failed\n");
+ pr_err("Device allocation failed\n");
goto exit;
}
@@ -214,8 +216,7 @@ static int __cpuinit via_cputemp_device_add(unsigned int cpu)
err = platform_device_add(pdev);
if (err) {
- printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n",
- err);
+ pr_err("Device addition failed (%d)\n", err);
goto exit_device_free;
}
@@ -237,13 +238,16 @@ exit:
static void __cpuinit via_cputemp_device_remove(unsigned int cpu)
{
- struct pdev_entry *p, *n;
+ struct pdev_entry *p;
+
mutex_lock(&pdev_list_mutex);
- list_for_each_entry_safe(p, n, &pdev_list, list) {
+ list_for_each_entry(p, &pdev_list, list) {
if (p->cpu == cpu) {
platform_device_unregister(p->pdev);
list_del(&p->list);
+ mutex_unlock(&pdev_list_mutex);
kfree(p);
+ return;
}
}
mutex_unlock(&pdev_list_mutex);
@@ -273,7 +277,6 @@ static struct notifier_block via_cputemp_cpu_notifier __refdata = {
static int __init via_cputemp_init(void)
{
int i, err;
- struct pdev_entry *p, *n;
if (cpu_data(0).x86_vendor != X86_VENDOR_CENTAUR) {
printk(KERN_DEBUG DRVNAME ": Not a VIA CPU\n");
@@ -295,33 +298,27 @@ static int __init via_cputemp_init(void)
continue;
if (c->x86_model > 0x0f) {
- printk(KERN_WARNING DRVNAME ": Unknown CPU "
- "model 0x%x\n", c->x86_model);
+ pr_warn("Unknown CPU model 0x%x\n", c->x86_model);
continue;
}
- err = via_cputemp_device_add(i);
- if (err)
- goto exit_devices_unreg;
+ via_cputemp_device_add(i);
}
+
+#ifndef CONFIG_HOTPLUG_CPU
if (list_empty(&pdev_list)) {
err = -ENODEV;
goto exit_driver_unreg;
}
+#endif
register_hotcpu_notifier(&via_cputemp_cpu_notifier);
return 0;
-exit_devices_unreg:
- mutex_lock(&pdev_list_mutex);
- list_for_each_entry_safe(p, n, &pdev_list, list) {
- platform_device_unregister(p->pdev);
- list_del(&p->list);
- kfree(p);
- }
- mutex_unlock(&pdev_list_mutex);
+#ifndef CONFIG_HOTPLUG_CPU
exit_driver_unreg:
platform_driver_unregister(&via_cputemp_driver);
+#endif
exit:
return err;
}