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test_bpf: avoid oopsing the kernel when generate_test_data() fails.
[firefly-linux-kernel-4.4.55.git]
/
lib
/
test_bpf.c
diff --git
a/lib/test_bpf.c
b/lib/test_bpf.c
index 3afddf2026c983d279fe822a0c42b7f1a65f193a..6843d0b6203295910bf500691f7301cb1b695e93 100644
(file)
--- a/
lib/test_bpf.c
+++ b/
lib/test_bpf.c
@@
-4672,6
+4672,11
@@
static int run_one(const struct bpf_prog *fp, struct bpf_test *test)
break;
data = generate_test_data(test, i);
+ if (!data && !(test->aux & FLAG_NO_DATA)) {
+ pr_cont("data generation failed ");
+ err_cnt++;
+ break;
+ }
ret = __run_one(fp, data, runs, &duration);
release_test_data(test, data);