Re: Console unregistration questions

On Tuesday, April 24, 2007, Antonino A. Daplas wrote:

quoted

quoted

 Also, shouldn't callers of
unregister_con_driver be checking return values?  That would have
made this bug a lot easier to find at least. :)

Replying to myself:

At this point, if unregister_con_driver() fails, it is too late for
fbcon, the best thing to do is issue a BUG().

I guess there's no way to propagate the error back to 
unregister_framebuffer?  If we did, then it could return -EBUSY or 
something, keeping the module loaded instead of unsafely allowing it to be 
removed...

However, I'll add extra code to unregister_framebuffer() that will check
if it's safe for the driver to unload.  The drivers may then choose to
check it or not.

Sounds good.

Jesse

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