1UNREGISTER_FRAMEBUFF(9)      Frame Buffer Library      UNREGISTER_FRAMEBUFF(9)
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NAME

6       unregister_framebuffer - releases a frame buffer device
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SYNOPSIS

9       int unregister_framebuffer(struct fb_info * fb_info);
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ARGUMENTS

12       fb_info
13           frame buffer info structure
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DESCRIPTION

16       Unregisters a frame buffer device fb_info.
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18       Returns negative errno on error, or zero for success.
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20       This function will also notify the framebuffer console to release the
21       driver.
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23       This is meant to be called within a driver's module_exit function. If
24       this is called outside module_exit, ensure that the driver implements
25       fb_open and fb_release to check that no processes are using the device.
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28Kernel Hackers Manual 3.10         June 2019           UNREGISTER_FRAMEBUFF(9)
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