fix read from uninitialized memory

[r26318]

ir/stat/stat_timing.c

@@ -79,7 +79,8 @@ void timing_enter_max_prio(void)
 	if (res < 0)
 		return;
 	new_scheduler = SCHED_FIFO;
-	sched_params.sched_priority = sched_get_priority_max(new_scheduler);
+	new_sched_params = sched_params;
+	new_sched_params.sched_priority = sched_get_priority_max(new_scheduler);
 	sched_setscheduler(0, new_scheduler, &new_sched_params);
 	if (res < 0)
 		return;

ir/stat/stat_timing.h

@@ -53,7 +53,7 @@ static __inline timing_ticks_t __timing_ticks(void) { __asm { rdtsc } }
 
 typedef struct timeval timing_ticks_t;
 #define timing_ticks(t)              (gettimeofday(&(t), NULL))
-#define timing_ticks_init(t)         ((t).tv_sec = 0, (t).tv_usec = 0)
+#define timing_ticks_init(t)         memset((t), 0, sizeof(t))
 
 /*
  * This shamelessly stolen and modified from glibc's

ir/stat/statev.h

@@ -62,7 +62,7 @@ extern int            stat_ev_timer_sp;
 extern timing_ticks_t stat_ev_timer_elapsed[];
 extern timing_ticks_t stat_ev_timer_start[];
 
-static inline __attribute__((unused)) void stat_ev_tim_push(void) {
+static inline void stat_ev_tim_push(void) {
 	timing_ticks_t temp;
 	int sp = stat_ev_timer_sp++;
 	timing_ticks(temp);
@@ -76,7 +76,7 @@ static inline __attribute__((unused)) void stat_ev_tim_push(void) {
 	timing_ticks(stat_ev_timer_start[sp]);
 }
 
-static inline __attribute__((unused)) void stat_ev_tim_pop(const char *name) {
+static inline void stat_ev_tim_pop(const char *name) {
 	int sp;
 	timing_ticks_t temp;
 	timing_ticks(temp);