From: "Jason A. Donenfeld" Jason@zx2c4.com
stable inclusion from stable-v5.10.119 commit 9320e087f2b64257f34106eecbfe5a43be5199b0 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I5L6BB
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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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 Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Acked-by: Xie XiuQi xiexiuqi@huawei.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 f1c60f486196..40ad91e6e88e 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -326,7 +326,7 @@ 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); }
/*