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-rw-r--r--kernel/trace/trace_uprobe.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index 930e51462dc8..c082a7441345 100644
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -732,9 +732,15 @@ static int uprobe_buffer_enable(void)
732 732
733static void uprobe_buffer_disable(void) 733static void uprobe_buffer_disable(void)
734{ 734{
735 int cpu;
736
735 BUG_ON(!mutex_is_locked(&event_mutex)); 737 BUG_ON(!mutex_is_locked(&event_mutex));
736 738
737 if (--uprobe_buffer_refcnt == 0) { 739 if (--uprobe_buffer_refcnt == 0) {
740 for_each_possible_cpu(cpu)
741 free_page((unsigned long)per_cpu_ptr(uprobe_cpu_buffer,
742 cpu)->buf);
743
738 free_percpu(uprobe_cpu_buffer); 744 free_percpu(uprobe_cpu_buffer);
739 uprobe_cpu_buffer = NULL; 745 uprobe_cpu_buffer = NULL;
740 } 746 }