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audit: use time_after to compare time

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Using time_{*} macro to compare time is better

Signed-off-by: wuchi <wuchi.zero@gmail.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
This commit is contained in:
wuchi
2022-08-30 00:26:09 +08:00
committed by Paul Moore
parent c3f3ea8af4
commit 501e4bb102
1 changed files with 3 additions and 5 deletions
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6
kernel/audit.c
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@@ -321,7 +321,6 @@ static inline int audit_rate_check(void)
static DEFINE_SPINLOCK(lock); static DEFINE_SPINLOCK(lock);
unsigned long flags; unsigned long flags;
unsigned long now; unsigned long now;
unsigned long elapsed;
int retval = 0; int retval = 0;
if (!audit_rate_limit) return 1; if (!audit_rate_limit) return 1;
@@ -331,8 +330,7 @@ static inline int audit_rate_check(void)
retval = 1; retval = 1;
} else { } else {
now = jiffies; now = jiffies;
elapsed = now - last_check; if (time_after(now, last_check + HZ)) {
if (elapsed > HZ) {
last_check = now; last_check = now;
messages = 0; messages = 0;
retval = 1; retval = 1;
@@ -366,7 +364,7 @@ void audit_log_lost(const char *message)
if (!print) { if (!print) {
spin_lock_irqsave(&lock, flags); spin_lock_irqsave(&lock, flags);
now = jiffies; now = jiffies;
if (now - last_msg > HZ) { if (time_after(now, last_msg + HZ)) {
print = 1; print = 1;
last_msg = now; last_msg = now;
} }