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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: H. Peter Anvin <hpa@zytor.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <greg@kroah.com>
This commit is contained in:
H. Peter Anvin 2012-02-10 14:08:52 -08:00
parent 6684ba202b
commit 9dd4ccaaf8
1 changed files with 1 additions and 4 deletions
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5
drivers/char/lp.c
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@ -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;
}