tree 3e0a8d358056be211a9b6ce1236420a0db1904a7
parent e962a3ae799618cba71d5e5eaebf7727159cea4a
author Andy Lutomirski <luto@kernel.org> 1577089248 -0800
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1656150302 +0200

random: make /dev/random be almost like /dev/urandom

commit 30c08efec8884fb106b8e57094baa51bb4c44e32 upstream.

This patch changes the read semantics of /dev/random to be the same
as /dev/urandom except that reads will block until the CRNG is
ready.

None of the cleanups that this enables have been done yet.  As a
result, this gives a warning about an unused function.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Link: https://lore.kernel.org/r/5e6ac8831c6cf2e56a7a4b39616d1732b2bdd06c.1577088521.git.luto@kernel.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>