From: Joe Stringer <joe@wand.net.nz>
Date: Fri, 9 Nov 2018 18:18:16 +0000 (-0800)
Subject: selftests/bpf: Fix uninitialized duration warning
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=5c86d2125b58949122e03f04ce940e6f5b8534ba;p=openwrt%2Fstaging%2Fblogic.git

selftests/bpf: Fix uninitialized duration warning

Daniel Borkmann reports:

test_progs.c: In function ‘main’:
test_progs.c:81:3: warning: ‘duration’ may be used uninitialized in this function [-Wmaybe-uninitialized]
   printf("%s:PASS:%s %d nsec\n", __func__, tag, duration);\
   ^~~~~~
test_progs.c:1706:8: note: ‘duration’ was declared here
  __u32 duration;
        ^~~~~~~~

Signed-off-by: Joe Stringer <joe@wand.net.nz>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---

diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c
index 2d3c04f45530..c1e688f61061 100644
--- a/tools/testing/selftests/bpf/test_progs.c
+++ b/tools/testing/selftests/bpf/test_progs.c
@@ -1703,7 +1703,7 @@ static void test_reference_tracking()
 	const char *file = "./test_sk_lookup_kern.o";
 	struct bpf_object *obj;
 	struct bpf_program *prog;
-	__u32 duration;
+	__u32 duration = 0;
 	int err = 0;
 
 	obj = bpf_object__open(file);