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Commit 9dd4ccaa authored by H. Peter Anvin's avatar H. Peter Anvin
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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
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+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;
		}