/* termios.h: generic termios/termio user copying/translation */ #ifndef _ASM_GENERIC_TERMIOS_H#define _ASM_GENERIC_TERMIOS_H #include <asm/uaccess.h> #ifndef __ARCH_TERMIO_GETPUT /* * Translate a "termio" structure into a "termios". Ugh. */static inline int user_termio_to_kernel_termios(struct ktermios *termios,						struct termio __user *termio){	unsigned short tmp; 	if (get_user(tmp, &termio->c_iflag) < 0)		goto fault;	termios->c_iflag = (0xffff0000 & termios->c_iflag) | tmp; 	if (get_user(tmp, &termio->c_oflag) < 0)		goto fault;	termios->c_oflag = (0xffff0000 & termios->c_oflag) | tmp; 	if (get_user(tmp, &termio->c_cflag) < 0)		goto fault;	termios->c_cflag = (0xffff0000 & termios->c_cflag) | tmp; 	if (get_user(tmp, &termio->c_lflag) < 0)		goto fault;	termios->c_lflag = (0xffff0000 & termios->c_lflag) | tmp; 	if (get_user(termios->c_line, &termio->c_line) < 0)		goto fault; 	if (copy_from_user(termios->c_cc, termio->c_cc, NCC) != 0)		goto fault; 	return 0;  fault:	return -EFAULT;} /* * Translate a "termios" structure into a "termio". Ugh. */static inline int kernel_termios_to_user_termio(struct termio __user *termio,						struct ktermios *termios){	if (put_user(termios->c_iflag, &termio->c_iflag) < 0 ||	    put_user(termios->c_oflag, &termio->c_oflag) < 0 ||	    put_user(termios->c_cflag, &termio->c_cflag) < 0 ||	    put_user(termios->c_lflag, &termio->c_lflag) < 0 ||	    put_user(termios->c_line,  &termio->c_line) < 0 ||	    copy_to_user(termio->c_cc, termios->c_cc, NCC) != 0)		return -EFAULT; 	return 0;} #define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios))#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios)) #endif	/* __ARCH_TERMIO_GETPUT */ #endif /* _ASM_GENERIC_TERMIOS_H */