On Wed, Feb 16, 2005 at 11:34:05PM +0000, Reinoud Zandijk wrote: > Add the KERNEL-only flag FKIOCTL (like its named in Solaris) to be passed > as extra flag to VOP_IOCTL() calls to indicate that addresses/data blocks > specified in the ioctl paramter like an address to a datablock to be filled > is for kernel use and not for userland. > > The few ioctl calls that have this kind of variable-length parameter > passing can then decide if they ought to use copyout() or to use memcpy() > depending on this FKIOCTL flag. Can we please make sure that no ioctl from userland is able to pass this flag, if it doesn't already check. -- Dan.
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