posix-cpu-timers: Remove confusing return value override

The end of the function cannot be reached with an error in variable
ret. Unconfuse reviewers about that.

Signed-off-by: Frederic Weisbecker <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Acked-by: Peter Zijlstra (Intel) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: Frederic Weisbecker

kernel/time/posix-cpu-timers.c

@@ -744,8 +744,6 @@ static int posix_cpu_timer_set(struct k_itimer *timer, int timer_flags,
 		 */
 		cpu_timer_fire(timer);
 	}
-
-	ret = 0;
  out:
 	rcu_read_unlock();
 	if (old)