diff options
| -rw-r--r-- | lib/ratelimit.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/lib/ratelimit.c b/lib/ratelimit.c index e7101a79c697..bcda7c61fc6f 100644 --- a/lib/ratelimit.c +++ b/lib/ratelimit.c @@ -58,20 +58,10 @@ int ___ratelimit(struct ratelimit_state *rs, const char *func) * the current lock owner is just about to reset it. */ if (!raw_spin_trylock_irqsave(&rs->lock, flags)) { - unsigned int rs_flags = READ_ONCE(rs->flags); - - if (rs_flags & RATELIMIT_INITIALIZED && burst) { - int n_left = atomic_read(&rs->rs_n_left); - - if (n_left <= 0) - return 0; - n_left = atomic_dec_return(&rs->rs_n_left); - if (n_left >= 0) - return 1; - } - - ratelimit_state_inc_miss(rs); - return 0; + if (READ_ONCE(rs->flags) & RATELIMIT_INITIALIZED && burst && + atomic_read(&rs->rs_n_left) > 0 && atomic_dec_return(&rs->rs_n_left) >= 0) + ret = 1; + goto nolock_ret; } if (!(rs->flags & RATELIMIT_INITIALIZED)) { |