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,