selftest/bpf: Get rid of a bunch of explicit BPF program type setting

Now that libbpf can correctly guess BPF program types from section
names, remove a bunch of explicit bpf_program__set_type() calls
throughout tests.
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20191021033902.3856966-8-andriin@fb.com

tools/testing/selftests/bpf/prog_tests/attach_probe.c

@@ -99,11 +99,6 @@ void test_attach_probe(void)
 		  "prog '%s' not found\n", uretprobe_name))
 		goto cleanup;
 
-	bpf_program__set_kprobe(kprobe_prog);
-	bpf_program__set_kprobe(kretprobe_prog);
-	bpf_program__set_kprobe(uprobe_prog);
-	bpf_program__set_kprobe(uretprobe_prog);
-
 	/* create maps && load programs */
 	err = bpf_object__load(obj);
 	if (CHECK(err, "obj_load", "err %d\n", err))

tools/testing/selftests/bpf/prog_tests/core_reloc.c

@@ -391,7 +391,6 @@ void test_core_reloc(void)
 		if (CHECK(!prog, "find_probe",
 			  "prog '%s' not found\n", probe_name))
 			goto cleanup;
-		bpf_program__set_type(prog, BPF_PROG_TYPE_RAW_TRACEPOINT);
 
 		load_attr.obj = obj;
 		load_attr.log_level = 0;

tools/testing/selftests/bpf/prog_tests/rdonly_maps.c

@@ -36,10 +36,6 @@ void test_rdonly_maps(void)
 	if (CHECK(IS_ERR(obj), "obj_open", "err %ld\n", PTR_ERR(obj)))
 		return;
 
-	bpf_object__for_each_program(prog, obj) {
-		bpf_program__set_raw_tracepoint(prog);
-	}
-
 	err = bpf_object__load(obj);
 	if (CHECK(err, "obj_load", "err %d errno %d\n", err, errno))
 		goto cleanup;

tools/testing/selftests/bpf/test_maps.c

@@ -1142,7 +1142,6 @@ static void test_sockmap(unsigned int tasks, void *data)
 #define MAPINMAP_PROG "./test_map_in_map.o"
 static void test_map_in_map(void)
 {
-	struct bpf_program *prog;
 	struct bpf_object *obj;
 	struct bpf_map *map;
 	int mim_fd, fd, err;
@@ -1179,9 +1178,6 @@ static void test_map_in_map(void)
 		goto out_map_in_map;
 	}
 
-	bpf_object__for_each_program(prog, obj) {
-		bpf_program__set_xdp(prog);
-	}
 	bpf_object__load(obj);
 
 	map = bpf_object__find_map_by_name(obj, "mim_array");