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-rw-r--r--tools/perf/builtin-mem.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c
index 27d2bde943a8..a13f5817d6fc 100644
--- a/tools/perf/builtin-mem.c
+++ b/tools/perf/builtin-mem.c
@@ -17,6 +17,7 @@
#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
@@ -249,8 +250,8 @@ static int report_raw_events(struct perf_mem *mem)
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,