[PATCH 4.9 203/264] random: use proper jiffies comparison macro

Greg Kroah-Hartman
2022-06-23T17:06:50Z

From: "Jason A. Donenfeld" <Jason@zx2c4.com>

commit 8a5b8a4a4ceb353b4dd5bafd09e2b15751bcdb51 upstream.

This expands to exactly the same code that it replaces, but makes things
consistent by using the same macro for jiffy comparisons throughout.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/char/random.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -325,7 +325,7 @@ static bool crng_has_old_seed(void)
interval = max_t(unsigned int, CRNG_RESEED_START_INTERVAL,
(unsigned int)uptime / 2 * HZ);
}
- return time_after(jiffies, READ_ONCE(base_crng.birth) + interval);
+ return time_is_before_jiffies(READ_ONCE(base_crng.birth) + interval);
}

/*