Hi, I still did not fix the NULL pointer dereference reported by Nathan Royce [1], but I got some other improvements. Testing done on Odroid U3 (Exynos4412) with tcrypt and cryptsetup. Best regards, Krzysztof [1] https://www.mail-archive.com/linux-kernel@xxxxxxxxxxxxxxx/msg1351149.html Krzysztof Kozlowski (4): crypto: s5p-sss - Close possible race for completed requests crypto: s5p-sss - Remove unused variant field from state container crypto: s5p-sss - Document the struct s5p_aes_dev crypto: s5p-sss - Use mutex instead of spinlock drivers/crypto/s5p-sss.c | 70 +++++++++++++++++++++++++++++++----------------- 1 file changed, 45 insertions(+), 25 deletions(-) -- 2.9.3