#include "util/dso.h"
#include "util/map.h"
#include "util/symbol.h"
+#include <linux/err.h>
#define MEM_OPERATION_LOAD 0x1
#define MEM_OPERATION_STORE 0x2
struct perf_session *session = perf_session__new(&data, false,
&mem->tool);
- if (session == NULL)
- return -1;
+ if (IS_ERR(session))
+ return PTR_ERR(session);
if (mem->cpu_list) {
ret = perf_session__cpu_bitmap(session, mem->cpu_list,