From: Josh Boyer Date: Wed, 5 Apr 2017 16:40:30 +0000 (+0100) Subject: hibernate: Disable when the kernel is locked down X-Git-Tag: archive/raspbian/4.15.4-1+rpi1~1^2^2^2^2^2^2^2^2^2^2~42 X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=1ce53409721b10666decb4d8a6c78b0384c8e2fd;p=linux.git hibernate: Disable when the kernel is locked down There is currently no way to verify the resume image when returning from hibernate. This might compromise the signed modules trust model, so until we can work with signed hibernate images we disable it when the kernel is locked down. Signed-off-by: Josh Boyer Signed-off-by: David Howells Gbp-Pq: Topic features/all/lockdown Gbp-Pq: Name 0048-hibernate-Disable-when-the-kernel-is-locked-down.patch --- diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index a8b978c35a6..50cca5dcb62 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -70,7 +70,7 @@ static const struct platform_hibernation_ops *hibernation_ops; bool hibernation_available(void) { - return (nohibernate == 0); + return nohibernate == 0 && !kernel_is_locked_down(); } /**