/* termios.h: generic termios/termio user copying/translation
 */

#ifndef _ASM_GENERIC_TERMIOS_BASE_H
#define _ASM_GENERIC_TERMIOS_BASE_H

#include <linux/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;
}

#ifndef user_termios_to_kernel_termios
#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios))
#endif

#ifndef kernel_termios_to_user_termios
#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios))
#endif

#define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios))
#define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios))

#endif	/* __ARCH_TERMIO_GETPUT */

#endif /* _ASM_GENERIC_TERMIOS_BASE_H */
action='/cgit.cgi/linux/net-next.git/log/net/wireless/ethtool.c'>
<input type='hidden' name='id' value='bdcfa156039dcfe2be989b73c4ae1be3d5d0f804'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=bdcfa156039dcfe2be989b73c4ae1be3d5d0f804'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/net?id=bdcfa156039dcfe2be989b73c4ae1be3d5d0f804'>net</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/wireless?id=bdcfa156039dcfe2be989b73c4ae1be3d5d0f804'>wireless</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/wireless/ethtool.c?id=bdcfa156039dcfe2be989b73c4ae1be3d5d0f804'>ethtool.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/net/wireless/ethtool.c?id=bdcfa156039dcfe2be989b73c4ae1be3d5d0f804&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
nd</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>