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random: avoid checking crng_ready() twice in random_init()
commit 9b29b6b upstream. The current flow expands to: if (crng_ready()) ... else if (...) if (!crng_ready()) ... The second crng_ready() call is redundant, but can't so easily be optimized out by the compiler. This commit simplifies that to: if (crng_ready() ... else if (...) ... Fixes: 560181c ("random: move initialization functions out of hot pages") Cc: stable@vger.kernel.org Cc: 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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