Messages in this thread Patch in this message | | | From | "Jason A. Donenfeld" <> | Subject | [PATCH] random: use init_utsname() instead of utsname() | Date | Tue, 27 Sep 2022 11:29:20 +0200 |
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Rather than going through the current-> indirection for utsname, at this point in boot, init_utsname()==utsname(), so just use it directly that way. Additionally, init_utsname() appears to be available nearly always, so move it into random_init_early().
Suggested-by: Kees Cook <keescook@chromium.org> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> --- drivers/char/random.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/char/random.c b/drivers/char/random.c index 0598450c72aa..eab334a425a1 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -802,6 +802,7 @@ void __init random_init_early(const char *command_line) ++i; } + _mix_pool_bytes(init_utsname(), sizeof(*(init_utsname()))); _mix_pool_bytes(command_line, strlen(command_line)); if (trust_cpu) @@ -817,7 +818,6 @@ void __init random_init(void) unsigned long entropy = random_get_entropy(); ktime_t now = ktime_get_real(); - _mix_pool_bytes(utsname(), sizeof(*(utsname()))); _mix_pool_bytes(&now, sizeof(now)); _mix_pool_bytes(&entropy, sizeof(entropy)); add_latent_entropy(); -- 2.37.3
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