lis3: fix misc device unregistering and printk

Can only unregister the misc device if it was registered before.  Also
remove debugging messages, which in addition were not properly formated.

Signed-off-by: Eric Piel <eric.piel@tremplin-utc.net>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c
index 778eb7795983..17f200341bc1 100644
--- a/drivers/hwmon/lis3lv02d.c
+++ b/drivers/hwmon/lis3lv02d.c
@@ -199,7 +199,6 @@ static int lis3lv02d_misc_open(struct inode *inode, struct file *file)
                 return -EBUSY;
         }
         lis3lv02d_increase_use(&lis3_dev);
-        printk("lis3: registered interrupt %d\n", lis3_dev.irq);
         return 0;
 }
 
@@ -378,7 +377,8 @@ void lis3lv02d_joystick_disable(void)
         if (!lis3_dev.idev)
                 return;
 
-        misc_deregister(&lis3lv02d_misc_device);
+        if (lis3_dev.irq)
+                misc_deregister(&lis3lv02d_misc_device);
         input_unregister_device(lis3_dev.idev);
         lis3_dev.idev = NULL;
 }
@@ -493,8 +493,6 @@ int lis3lv02d_init_device(struct lis3lv02d *dev)
         if (lis3lv02d_joystick_enable())
                 printk(KERN_ERR DRIVER_NAME ": joystick initialization failed\n");
 
-        printk("lis3_init_device: irq %d\n", dev->irq);
-
         /* bail if we did not get an IRQ from the bus layer */
         if (!dev->irq) {
                 printk(KERN_ERR DRIVER_NAME
@@ -502,7 +500,6 @@ int lis3lv02d_init_device(struct lis3lv02d *dev)
                 goto out;
         }
 
-        printk("lis3: registering device\n");
         if (misc_register(&lis3lv02d_misc_device))
                 printk(KERN_ERR DRIVER_NAME ": misc_register failed\n");
 out: