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random: rather than entropy_store abstraction, use global
commit 90ed1e6 upstream. Originally, the RNG used several pools, so having things abstracted out over a generic entropy_store object made sense. These days, there's only one input pool, and then an uneven mix of usage via the abstraction and usage via &input_pool. Rather than this uneasy mixture, just get rid of the abstraction entirely and have things always use the global. This simplifies the code and makes reading it a bit easier. Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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