Commit 1ad93ab1 authored by David Miller's avatar David Miller Committed by Alexei Starovoitov
Browse files

bpf: Fix various lib and testsuite build failures on 32-bit. 



Cannot cast a u64 to a pointer on 32-bit without an intervening (long)
cast otherwise GCC warns.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Acked-by: default avatarSong Liu <songliubraving@fb.com>
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent 295daee4

tools/lib/bpf/btf.c

+1 −1
Original line number Diff line number Diff line
@@ -466,7 +466,7 @@ int btf__get_from_id(__u32 id, struct btf **btf) 
		goto exit_free;

	}



	*btf = btf__new((__u8 *)btf_info.btf, btf_info.btf_size, NULL);

	*btf = btf__new((__u8 *)(long)btf_info.btf, btf_info.btf_size, NULL);

	if (IS_ERR(*btf)) {

		err = PTR_ERR(*btf);

		*btf = NULL;

tools/testing/selftests/bpf/test_progs.c

+5 −5
Original line number Diff line number Diff line
@@ -524,7 +524,7 @@ static void test_bpf_obj_id(void) 
			  load_time < now - 60 || load_time > now + 60 ||

			  prog_infos[i].created_by_uid != my_uid ||

			  prog_infos[i].nr_map_ids != 1 ||

			  *(int *)prog_infos[i].map_ids != map_infos[i].id ||

			  *(int *)(long)prog_infos[i].map_ids != map_infos[i].id ||

			  strcmp((char *)prog_infos[i].name, expected_prog_name),

			  "get-prog-info(fd)",

			  "err %d errno %d i %d type %d(%d) info_len %u(%Zu) jit_enabled %d jited_prog_len %u xlated_prog_len %u jited_prog %d xlated_prog %d load_time %lu(%lu) uid %u(%u) nr_map_ids %u(%u) map_id %u(%u) name %s(%s)\n",
@@ -539,7 +539,7 @@ static void test_bpf_obj_id(void) 
			  load_time, now,

			  prog_infos[i].created_by_uid, my_uid,

			  prog_infos[i].nr_map_ids, 1,

			  *(int *)prog_infos[i].map_ids, map_infos[i].id,

			  *(int *)(long)prog_infos[i].map_ids, map_infos[i].id,

			  prog_infos[i].name, expected_prog_name))

			goto done;

	}
@@ -585,7 +585,7 @@ static void test_bpf_obj_id(void) 
		bzero(&prog_info, sizeof(prog_info));

		info_len = sizeof(prog_info);



		saved_map_id = *(int *)(prog_infos[i].map_ids);

		saved_map_id = *(int *)((long)prog_infos[i].map_ids);

		prog_info.map_ids = prog_infos[i].map_ids;

		prog_info.nr_map_ids = 2;

		err = bpf_obj_get_info_by_fd(prog_fd, &prog_info, &info_len);
@@ -593,12 +593,12 @@ static void test_bpf_obj_id(void) 
		prog_infos[i].xlated_prog_insns = 0;

		CHECK(err || info_len != sizeof(struct bpf_prog_info) ||

		      memcmp(&prog_info, &prog_infos[i], info_len) ||

		      *(int *)prog_info.map_ids != saved_map_id,

		      *(int *)(long)prog_info.map_ids != saved_map_id,

		      "get-prog-info(next_id->fd)",

		      "err %d errno %d info_len %u(%Zu) memcmp %d map_id %u(%u)\n",

		      err, errno, info_len, sizeof(struct bpf_prog_info),

		      memcmp(&prog_info, &prog_infos[i], info_len),

		      *(int *)prog_info.map_ids, saved_map_id);

		      *(int *)(long)prog_info.map_ids, saved_map_id);

		close(prog_fd);

	}

	CHECK(nr_id_found != nr_iters,

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