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random: access primary_pool directly rather than through pointer

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Both crng_initialize_primary() and crng_init_try_arch_early() are
only called for the primary_pool. Accessing it directly instead of
through a function parameter simplifies the code.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Dominik Brodowski 2022-01-30 22:03:19 +01:00 committed by Jason A. Donenfeld
parent 042e293e16
commit ebf7606388
1 changed files with 7 additions and 7 deletions
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14
drivers/char/random.c
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@ -762,7 +762,7 @@ static bool crng_init_try_arch(struct crng_state *crng)
return arch_init;
}
static bool __init crng_init_try_arch_early(struct crng_state *crng)
static bool __init crng_init_try_arch_early(void)
{
int i;
bool arch_init = true;
@ -774,7 +774,7 @@ static bool __init crng_init_try_arch_early(struct crng_state *crng)
rv = random_get_entropy();
arch_init = false;
}
crng->state[i] ^= rv;
primary_crng.state[i] ^= rv;
}
return arch_init;
@ -788,16 +788,16 @@ static void crng_initialize_secondary(struct crng_state *crng)
crng->init_time = jiffies - CRNG_RESEED_INTERVAL - 1;
}
static void __init crng_initialize_primary(struct crng_state *crng)
static void __init crng_initialize_primary(void)
{
_extract_entropy(&crng->state[4], sizeof(u32) * 12);
if (crng_init_try_arch_early(crng) && trust_cpu && crng_init < 2) {
_extract_entropy(&primary_crng.state[4], sizeof(u32) * 12);
if (crng_init_try_arch_early() && trust_cpu && crng_init < 2) {
invalidate_batched_entropy();
numa_crng_init();
crng_init = 2;
pr_notice("crng init done (trusting CPU's manufacturer)\n");
}
crng->init_time = jiffies - CRNG_RESEED_INTERVAL - 1;
primary_crng.init_time = jiffies - CRNG_RESEED_INTERVAL - 1;
}
static void crng_finalize_init(struct crng_state *crng)
@ -1698,7 +1698,7 @@ int __init rand_initialize(void)
init_std_data();
if (crng_need_final_init)
crng_finalize_init(&primary_crng);
crng_initialize_primary(&primary_crng);
crng_initialize_primary();
crng_global_init_time = jiffies;
if (ratelimit_disable) {
urandom_warning.interval = 0;