Saving access_ok() is not worth the trouble; yes, the callers of ->read() and ->write() will have done the right checks, but it's much too long (and varied) call chains to rely upon. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Saving access_ok() is not worth the trouble; yes, the callers of ->read() and ->write() will have done the right checks, but it's much too long (and varied) call chains to rely upon. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>