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-rw-r--r--drivers/oprofile/cpu_buffer.c4
-rw-r--r--drivers/oprofile/event_buffer.c2
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c
index 2450b3a393f..7ba78e6d210 100644
--- a/drivers/oprofile/cpu_buffer.c
+++ b/drivers/oprofile/cpu_buffer.c
@@ -38,8 +38,10 @@ void free_cpu_buffers(void)
{
int i;
- for_each_online_cpu(i)
+ for_each_online_cpu(i) {
vfree(per_cpu(cpu_buffer, i).buffer);
+ per_cpu(cpu_buffer, i).buffer = NULL;
+ }
}
int alloc_cpu_buffers(void)
diff --git a/drivers/oprofile/event_buffer.c b/drivers/oprofile/event_buffer.c
index e7fbac52993..8d692a5c8e7 100644
--- a/drivers/oprofile/event_buffer.c
+++ b/drivers/oprofile/event_buffer.c
@@ -93,6 +93,8 @@ out:
void free_event_buffer(void)
{
vfree(event_buffer);
+
+ event_buffer = NULL;
}