Re: [PATCH] hid: Logitech G13 driver 0.0.4
From: Oliver Neukum
Date: Thu Jan 28 2010 - 02:47:42 EST
Am Donnerstag, 28. Januar 2010 08:24:26 schrieben Sie:
> > Again, like I said, I don't have a problem changing it. If it's wrong,
> > it's wrong no matter how many other drivers may take the same
> > approach.
> I believe it is wrong.
So do I. You need not fail if copy_to_user() fails, but if you go
that route you need to evaluate the return value of copy_to_user()
not_written = copy_to_user(...);
return to_be_written - not_written ? to_be_written - not_written : -EFAULT;
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