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authorMaxime Ripard <maxime@cerno.tech>2020-08-18 15:14:25 +0300
committerMaxime Ripard <maxime@cerno.tech>2020-08-18 15:14:25 +0300
commitd85ddd1318e66c0c2665dbfcbc21a8b66c9152aa (patch)
treee49e401abd2468b398d4bc84c7e05c2c2c3b0966 /tools/testing/selftests/bpf/testing_helpers.c
parent652bcaec7da0f06f00be578c200e1c57099449d2 (diff)
parent9123e3a74ec7b934a4a099e98af6a61c2f80bbf5 (diff)
downloadlinux-d85ddd1318e66c0c2665dbfcbc21a8b66c9152aa.tar.xz
Merge v5.9-rc1 into drm-misc-next
Sam needs 5.9-rc1 to have dev_err_probe in to merge some patches. Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'tools/testing/selftests/bpf/testing_helpers.c')
-rw-r--r--tools/testing/selftests/bpf/testing_helpers.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/testing_helpers.c b/tools/testing/selftests/bpf/testing_helpers.c
index 0af6337a8962..800d503e5cb4 100644
--- a/tools/testing/selftests/bpf/testing_helpers.c
+++ b/tools/testing/selftests/bpf/testing_helpers.c
@@ -64,3 +64,17 @@ int parse_num_list(const char *s, bool **num_set, int *num_set_len)
return 0;
}
+
+__u32 link_info_prog_id(const struct bpf_link *link, struct bpf_link_info *info)
+{
+ __u32 info_len = sizeof(*info);
+ int err;
+
+ memset(info, 0, sizeof(*info));
+ err = bpf_obj_get_info_by_fd(bpf_link__fd(link), info, &info_len);
+ if (err) {
+ printf("failed to get link info: %d\n", -errno);
+ return 0;
+ }
+ return info->prog_id;
+}