In smbmnt.c function fullpath change
        if (realpath(p, path) == NULL) {
                fprintf(stderr,"Failed to find real path for mount point\n");
                exit(1);
        }
to
        if (realpath(p, path) == NULL) {
                fprintf(stderr,"Failed to find real path for mount point %s: %s\n",
                         p, strerror(errno));
                exit(1);
        }

thanks.