[PATCH v10 10/26] gunyah: vm_mgr: Introduce basic VM Manager

[Srivatsa Vaddagiri]

* Elliot Berman <quic_eberman at quicinc.com> [2023-02-14 13:23:54]:

> +static long gh_dev_ioctl_create_vm(struct gh_rm *rm, unsigned long arg)
> +{
> +	struct gh_vm *ghvm;
> +	struct file *file;
> +	int fd, err;
> +
> +	/* arg reserved for future use. */
> +	if (arg)
> +		return -EINVAL;
> +
> +	ghvm = gh_vm_alloc(rm);
> +	if (IS_ERR(ghvm))
> +		return PTR_ERR(ghvm);
> +
> +	fd = get_unused_fd_flags(O_CLOEXEC);
> +	if (fd < 0) {
> +		err = fd;
> +		goto err_destroy_vm;
> +	}
> +
> +	file = anon_inode_getfile("gunyah-vm", &gh_vm_fops, ghvm, O_RDWR);
> +	if (IS_ERR(file)) {
> +		err = PTR_ERR(file);
> +		goto err_put_fd;
> +	}
> +
> +	fd_install(fd, file);
> +
> +	return fd;
> +
> +err_put_fd:
> +	put_unused_fd(fd);
> +err_destroy_vm:
> +	kfree(ghvm);

Need a put_gh_rm() also in this case

> +	return err;
> +}