kernel/bpf/syscall.c

330 	 * rather to the map fd instead, so they have no meaning upon
373 	 * disappears - even if someone holds an fd to them they are unusable,
830 static fmode_t map_get_sys_perms(struct bpf_map *map, struct fd f)
1278 	 * on fd availability and access to bpffs, so are dependent on
1399 		/* failed to allocate fd.
1421 /* if error is returned, fd is released.
1422  * On success caller should complete fd access with matching fdput()
1424 struct bpf_map *__bpf_map_get(struct fd f)
1451 	struct fd f = fdget(ufd);
1467 	struct fd f = fdget(ufd);
1544 	struct fd f;
1619 	struct fd f;
1674 	struct fd f;
1732 	struct fd f;
2018 	struct fd f;
2107 	struct fd f;
2229 	 * disappears - even if someone grabs an fd to them they are unusable,
2410 static struct bpf_prog *____bpf_prog_get(struct fd f)
2477 	struct fd f = fdget(ufd);
2748 	 * on fd availability and access to bpffs, so are dependent on
2771 	/* attach_prog_fd/attach_btf_obj_fd can specify fd of either bpf_prog
2927 	 * one reference and any parallel close on that fd could
3033 	put_unused_fd(primer->fd);
3192 	int fd, id;
3194 	fd = get_unused_fd_flags(O_CLOEXEC);
3195 	if (fd < 0)
3196 		return fd;
3201 		put_unused_fd(fd);
3208 		put_unused_fd(fd);
3214 	primer->fd = fd;
3226 	fd_install(primer->fd, primer->file);
3228 	return primer->fd;
3238 	struct fd f = fdget(ufd);
3895 	int fd;
3906 	fd = bpf_raw_tp_link_attach(prog, tp_name, cookie);
3907 	if (fd < 0)
3909 	return fd;
4387 	int fd;
4399 	fd = bpf_prog_new_fd(prog);
4400 	if (fd < 0)
4403 	return fd;
4413 	int fd;
4437 	fd = bpf_map_new_fd(map, f_flags);
4438 	if (fd < 0)
4441 	return fd;
4957 	struct fd f;
5083 	u32 fd = attr->task_fd_query.fd;
5105 	file = fget_task(task, fd);
5171 	struct fd f;
5472 	int fd;
5484 	fd = bpf_link_new_fd(link);
5485 	if (fd < 0)
5488 	return fd;
5507 	int fd;
5517 	fd = anon_inode_getfd("bpf-stats", &bpf_stats_fops, NULL, O_CLOEXEC);
5518 	if (fd >= 0)
5522 	return fd;
5894 BPF_CALL_1(bpf_sys_close, u32, fd)
5901 	return close_fd(fd);