Don Raikes <don.raikes at oracle.com> wrote: > Ok so I get it, but the problem is that I am hooking into the sys_write systemcall, and it is by default cast to a const. > > If I leave it as is, and cast the buf in my copy_to_user to a (char*) should that work? > Try (void __user *) which according to Linux Device Drivers is the correct type for copy_to_user. > Sorry my knowledge of c is very limited :) I would suggest reading a good book on the subject in that case. A good knowledge of C is a prerequisite for what you are doing.
