[PATCH 3/7] compat: Handle COMPAT_USE_64BIT_TIME in the lp driver

From: H. Peter Anvin
Date: Sun Feb 19 2012 - 21:25:51 EST


From: "H. Peter Anvin" <hpa@xxxxxxxxx>

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

Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Greg Kroah-Hartman <greg@xxxxxxxxx>
---
drivers/char/lp.c | 5 +----
1 files changed, 1 insertions(+), 4 deletions(-)

diff --git a/drivers/char/lp.c b/drivers/char/lp.c
index f434856..64f5aeb 100644
--- a/drivers/char/lp.c
+++ b/drivers/char/lp.c
@@ -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;
}
--
1.7.6.5

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