60 int umd_load_blob(struct umd_info *info, const void *data, size_t len)  in umd_load_blob()  argument
64 	if (WARN_ON_ONCE(info->wd.dentry || info->wd.mnt))  in umd_load_blob()
67 	mnt = blob_to_mnt(data, len, info->driver_name);  in umd_load_blob()
71 	info->wd.mnt = mnt;  in umd_load_blob()
72 	info->wd.dentry = mnt->mnt_root;  in umd_load_blob()
82 int umd_unload_blob(struct umd_info *info)  in umd_unload_blob()  argument
84 	if (WARN_ON_ONCE(!info->wd.mnt ||  in umd_unload_blob()
85 			 !info->wd.dentry ||  in umd_unload_blob()
86 			 info->wd.mnt->mnt_root != info->wd.dentry))  in umd_unload_blob()
89 	kern_unmount(info->wd.mnt);  in umd_unload_blob()
90 	info->wd.mnt = NULL;  in umd_unload_blob()
91 	info->wd.dentry = NULL;  in umd_unload_blob()
96 static int umd_setup(struct subprocess_info *info, struct cred *new)  in umd_setup()  argument
98 	struct umd_info *umd_info = info->data;  in umd_setup()
137 static void umd_cleanup(struct subprocess_info *info)  in umd_cleanup()  argument
139 	struct umd_info *umd_info = info->data;  in umd_cleanup()
142 	if (info->retval)  in umd_cleanup()
150 void umd_cleanup_helper(struct umd_info *info)  in umd_cleanup_helper()  argument
152 	fput(info->pipe_to_umh);  in umd_cleanup_helper()
153 	fput(info->pipe_from_umh);  in umd_cleanup_helper()
154 	put_pid(info->tgid);  in umd_cleanup_helper()
155 	info->tgid = NULL;  in umd_cleanup_helper()
169 int fork_usermode_driver(struct umd_info *info)  in fork_usermode_driver()  argument
172 	const char *argv[] = { info->driver_name, NULL };  in fork_usermode_driver()
175 	if (WARN_ON_ONCE(info->tgid))  in fork_usermode_driver()
179 	sub_info = call_usermodehelper_setup(info->driver_name,  in fork_usermode_driver()
181 					     umd_setup, umd_cleanup, info);  in fork_usermode_driver()