tree 5de7832f314ed5080502356e8e512b76d75a8990
parent 5401246cd57fae3d2aff1de46105dc5a6d35c0cf
author Jason A. Donenfeld <Jason@zx2c4.com> 1644578389 +0100
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1656150308 +0200

random: introduce drain_entropy() helper to declutter crng_reseed()

commit 246c03dd899164d0186b6d685d6387f228c28d93 upstream.

In preparation for separating responsibilities, break out the entropy
count management part of crng_reseed() into its own function.

No functional changes.

Cc: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>