random.c (0d8730f07c822a351a624462918c7109cdc7f402) random.c (261e224d6a5c43e2bb8a07b7662f9b4ec425cfec)
1// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
2/*
3 * Copyright (C) 2017-2022 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
4 * Copyright Matt Mackall <mpm@selenic.com>, 2003, 2004, 2005
5 * Copyright Theodore Ts'o, 1994, 1995, 1996, 1997, 1998, 1999. All rights reserved.
6 *
7 * This driver produces cryptographically secure pseudorandom data. It is divided
8 * into roughly six sections, each with a section header:

--- 741 unchanged lines hidden (view full) ---

750
751 spin_lock_irqsave(&input_pool.lock, flags);
752 _mix_pool_bytes(&action, sizeof(action));
753 _mix_pool_bytes(stamps, sizeof(stamps));
754 _mix_pool_bytes(&entropy, sizeof(entropy));
755 spin_unlock_irqrestore(&input_pool.lock, flags);
756
757 if (crng_ready() && (action == PM_RESTORE_PREPARE ||
1// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
2/*
3 * Copyright (C) 2017-2022 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
4 * Copyright Matt Mackall <mpm@selenic.com>, 2003, 2004, 2005
5 * Copyright Theodore Ts'o, 1994, 1995, 1996, 1997, 1998, 1999. All rights reserved.
6 *
7 * This driver produces cryptographically secure pseudorandom data. It is divided
8 * into roughly six sections, each with a section header:

--- 741 unchanged lines hidden (view full) ---

750
751 spin_lock_irqsave(&input_pool.lock, flags);
752 _mix_pool_bytes(&action, sizeof(action));
753 _mix_pool_bytes(stamps, sizeof(stamps));
754 _mix_pool_bytes(&entropy, sizeof(entropy));
755 spin_unlock_irqrestore(&input_pool.lock, flags);
756
757 if (crng_ready() && (action == PM_RESTORE_PREPARE ||
758 (action == PM_POST_SUSPEND &&
759 !IS_ENABLED(CONFIG_PM_AUTOSLEEP) && !IS_ENABLED(CONFIG_ANDROID)))) {
758 (action == PM_POST_SUSPEND && !IS_ENABLED(CONFIG_PM_AUTOSLEEP) &&
759 !IS_ENABLED(CONFIG_PM_USERSPACE_AUTOSLEEP)))) {
760 crng_reseed();
761 pr_notice("crng reseeded on system resumption\n");
762 }
763 return 0;
764}
765
766static struct notifier_block pm_notifier = { .notifier_call = random_pm_notification };
767

--- 799 unchanged lines hidden --- 		760 crng_reseed();
761 pr_notice("crng reseeded on system resumption\n");
762 }
763 return 0;
764}
765
766static struct notifier_block pm_notifier = { .notifier_call = random_pm_notification };
767

--- 799 unchanged lines hidden ---