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-rw-r--r--tools/perf/builtin-kmem.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index b5682beaad72..1e61e353f579 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -14,6 +14,7 @@
#include "util/tool.h"
#include "util/callchain.h"
#include "util/time-utils.h"
+#include <linux/err.h>
#include <subcmd/pager.h>
#include <subcmd/parse-options.h>
@@ -1956,8 +1957,8 @@ int cmd_kmem(int argc, const char **argv)
data.path = input_name;
kmem_session = session = perf_session__new(&data, false, &perf_kmem);
- if (session == NULL)
- return -1;
+ if (IS_ERR(session))
+ return PTR_ERR(session);
ret = -1;