ratelimit: Don't flush misses counter if RATELIMIT_MSG_ON_RELEASE

Restore the previous semantics where the misses counter is unchanged if
the RATELIMIT_MSG_ON_RELEASE flag is set.

Link: https://lore.kernel.org/all/fbe93a52-365e-47fe-93a4-44a44547d601@paulmck-laptop/
Link: https://lore.kernel.org/all/[email protected]/
Signed-off-by: Paul E. McKenney <[email protected]>
Reviewed-by: Petr Mladek <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Kuniyuki Iwashima <[email protected]>
Cc: Mateusz Guzik <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: John Ogness <[email protected]>
Cc: Sergey Senozhatsky <[email protected]>

Author: paulmckrcu

lib/ratelimit.c

@@ -92,9 +92,9 @@ int ___ratelimit(struct ratelimit_state *rs, const char *func)
 		atomic_set(&rs->rs_n_left, rs->burst);
 		rs->begin = jiffies;
 
-		m = ratelimit_state_reset_miss(rs);
-		if (m) {
-			if (!(rs->flags & RATELIMIT_MSG_ON_RELEASE)) {
+		if (!(rs->flags & RATELIMIT_MSG_ON_RELEASE)) {
+			m = ratelimit_state_reset_miss(rs);
+			if (m) {
 				printk_deferred(KERN_WARNING
 						"%s: %d callbacks suppressed\n", func, m);
 			}