HID: picoLCD: Deletion of unnecessary checks before three function calls
The functions backlight_device_unregister(), lcd_device_unregister() and rc_unregister_device() test whether their argument is NULL and then return immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Reviewed-by: Bruno Prémont <bonbons@linux-vserver.org> Signed-off-by: Jiri Kosina <jkosina@suse.com>
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@ -94,8 +94,7 @@ void picolcd_exit_backlight(struct picolcd_data *data)
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struct backlight_device *bdev = data->backlight;
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data->backlight = NULL;
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if (bdev)
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backlight_device_unregister(bdev);
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backlight_device_unregister(bdev);
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}
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int picolcd_resume_backlight(struct picolcd_data *data)
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@ -145,7 +145,6 @@ void picolcd_exit_cir(struct picolcd_data *data)
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struct rc_dev *rdev = data->rc_dev;
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data->rc_dev = NULL;
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if (rdev)
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rc_unregister_device(rdev);
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rc_unregister_device(rdev);
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}
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@ -92,8 +92,7 @@ void picolcd_exit_lcd(struct picolcd_data *data)
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struct lcd_device *ldev = data->lcd;
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data->lcd = NULL;
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if (ldev)
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lcd_device_unregister(ldev);
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lcd_device_unregister(ldev);
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}
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int picolcd_resume_lcd(struct picolcd_data *data)
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