selftests/bpf: Use un/load_bpf_testmod functions in tests
Now that we have un/load_bpf_testmod helpers in testing_helpers.h,
we can use it in other tests and save some lines.
Acked-by: David Vernet <void@manifault.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20230515133756.1658301-7-jolsa@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
diff --git a/tools/testing/selftests/bpf/testing_helpers.c b/tools/testing/selftests/bpf/testing_helpers.c
index e01d7a6..8d99488 100644
--- a/tools/testing/selftests/bpf/testing_helpers.c
+++ b/tools/testing/selftests/bpf/testing_helpers.c
@@ -338,7 +338,7 @@ static int delete_module(const char *name, int flags)
return syscall(__NR_delete_module, name, flags);
}
-void unload_bpf_testmod(bool verbose)
+int unload_bpf_testmod(bool verbose)
{
if (kern_sync_rcu())
fprintf(stdout, "Failed to trigger kernel-side RCU sync!\n");
@@ -346,13 +346,14 @@ void unload_bpf_testmod(bool verbose)
if (errno == ENOENT) {
if (verbose)
fprintf(stdout, "bpf_testmod.ko is already unloaded.\n");
- return;
+ return -1;
}
fprintf(stdout, "Failed to unload bpf_testmod.ko from kernel: %d\n", -errno);
- return;
+ return -1;
}
if (verbose)
fprintf(stdout, "Successfully unloaded bpf_testmod.ko.\n");
+ return 0;
}
int load_bpf_testmod(bool verbose)
