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authorJ. Bruce Fields <bfields@citi.umich.edu>2009-11-23 12:34:58 -0500
committerJ. Bruce Fields <bfields@citi.umich.edu>2009-11-23 12:34:58 -0500
commit9b8b317d58084b9a44f6f33b355c4278d9f841fb (patch)
treee0df89800bf4301c4017db3cdf04a2056ec1a852 /drivers/pps/pps.c
parent78c210efdefe07131f91ed512a3308b15bb14e2f (diff)
parent648f4e3e50c4793d9dbf9a09afa193631f76fa26 (diff)
downloadop-kernel-dev-9b8b317d58084b9a44f6f33b355c4278d9f841fb.zip
op-kernel-dev-9b8b317d58084b9a44f6f33b355c4278d9f841fb.tar.gz
Merge commit 'v2.6.32-rc8' into HEAD
Diffstat (limited to 'drivers/pps/pps.c')
-rw-r--r--drivers/pps/pps.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/pps/pps.c b/drivers/pps/pps.c
index fea17e7..ca5183b 100644
--- a/drivers/pps/pps.c
+++ b/drivers/pps/pps.c
@@ -71,9 +71,14 @@ static long pps_cdev_ioctl(struct file *file,
case PPS_GETPARAMS:
pr_debug("PPS_GETPARAMS: source %d\n", pps->id);
- /* Return current parameters */
- err = copy_to_user(uarg, &pps->params,
- sizeof(struct pps_kparams));
+ spin_lock_irq(&pps->lock);
+
+ /* Get the current parameters */
+ params = pps->params;
+
+ spin_unlock_irq(&pps->lock);
+
+ err = copy_to_user(uarg, &params, sizeof(struct pps_kparams));
if (err)
return -EFAULT;
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