X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=tools%2Fperf%2Fbuiltin-buildid-cache.c;h=39efa51d7fb3d0884b97c1a0f59b969332c69cd7;hb=4f11918ab93bc113ec0831ed2ab7b88847d44dd7;hp=1a69eb565dc0f944896ee5752b8f52193e44491d;hpb=1b5fb415442eb3ec946d48afe8c87b0f2fd42d7c;p=linux.git

diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c
index 1a69eb565dc0..39efa51d7fb3 100644
--- a/tools/perf/builtin-buildid-cache.c
+++ b/tools/perf/builtin-buildid-cache.c
@@ -28,6 +28,7 @@
 #include "util/util.h"
 #include "util/probe-file.h"
 #include <linux/string.h>
+#include <linux/err.h>
 
 static int build_id_cache__kcore_buildid(const char *proc_dir, char *sbuildid)
 {
@@ -422,8 +423,8 @@ int cmd_buildid_cache(int argc, const char **argv)
 		data.force = force;
 
 		session = perf_session__new(&data, false, NULL);
-		if (session == NULL)
-			return -1;
+		if (IS_ERR(session))
+			return PTR_ERR(session);
 	}
 
 	if (symbol__init(session ? &session->header.env : NULL) < 0)