Commit 9dd4ccaa authored by H. Peter Anvin's avatar H. Peter Anvin
Browse files

compat: Handle COMPAT_USE_64BIT_TIME in the lp driver 



Enable the lp driver to be used with a compat ABI with 64-bit time.

Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <greg@kroah.com>
parent 6684ba20

drivers/char/lp.c

+1 −4
Original line number Diff line number Diff line
@@ -706,16 +706,13 @@ static long lp_compat_ioctl(struct file *file, unsigned int cmd, 
{

	unsigned int minor;

	struct timeval par_timeout;

	struct compat_timeval __user *tc;

	int ret;



	minor = iminor(file->f_path.dentry->d_inode);

	mutex_lock(&lp_mutex);

	switch (cmd) {

	case LPSETTIMEOUT:

		tc = compat_ptr(arg);

		if (get_user(par_timeout.tv_sec, &tc->tv_sec) ||

		    get_user(par_timeout.tv_usec, &tc->tv_usec)) {

		if (compat_get_timeval(&par_timeout, compat_ptr(arg))) {

			ret = -EFAULT;

			break;

		}