From: Jason A. Donenfeld Date: Tue, 27 Sep 2022 09:26:44 +0000 (+0200) Subject: random: use init_utsname() instead of utsname() X-Git-Tag: v6.6.17~6425^2~6 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=dd54fd7dfa4574fe350b75a90693dc6552c535e3;p=platform%2Fkernel%2Flinux-rpi.git random: use init_utsname() instead of utsname() 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 Reviewed-by: Kees Cook Signed-off-by: Jason A. Donenfeld --- diff --git a/drivers/char/random.c b/drivers/char/random.c index 1427f66..f2aa3ab 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)); /* Reseed if already seeded by earlier phases. */ @@ -820,7 +821,6 @@ 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();