rem: rc = user_strncpy(path, upath, SYS_MAX_PATH_LEN); if (rc < 0) return rc; path[SYS_MAX_PATH_LEN] = 0;
add: status = user_strncpy(path, upath, SYS_MAX_PATH_LEN - 1); if (status < 0) return status; path[SYS_MAX_PATH_LEN - 1] = '\0';
context: user_unmount(const char *upath){	char path[SYS_MAX_PATH_LEN + 1];	int rc;	rc = user_strncpy(path, upath, SYS_MAX_PATH_LEN);	if (rc < 0)		return rc;	path[SYS_MAX_PATH_LEN] = 0;	return fs_unmount(path, false);}