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