oprofile, arm: initialize perf_event pointers with NULL

The pointers must be NULL'ed to avoid double-freeing the pointers in rare cases during reinitialization. Signed-off-by: Robert Richter <robert.richter@amd.com>

oprofile, arm: initialize perf_event pointers with NULL
The pointers must be NULL'ed to avoid double-freeing the pointers in rare cases during reinitialization. Signed-off-by: Robert Richter <robert.richter@amd.com>
Robert Richter
1 parent c7fd239a64
Showing 1 changed file with 2 additions and 0 deletions Side-by-side Diff
arch/arm/oprofile/common.c
@@ -351,6 +351,8 @@
 {
 	int cpu, ret = 0;
  
+	memset(&perf_events, 0, sizeof(perf_events));
+
 	perf_num_counters = armpmu_get_max_events();
  
 	counter_config = kcalloc(perf_num_counters,
...	...	@@ -351,6 +351,8 @@
351	351	{
352	352	int cpu, ret = 0;
353	353
	354	+ memset(&perf_events, 0, sizeof(perf_events));
	355	+
354	356	perf_num_counters = armpmu_get_max_events();
355	357
356	358	counter_config = kcalloc(perf_num_counters,