X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=drivers%2Foprofile%2Fevent_buffer.c;h=e7fbac5299354e485c4a4d98774ba4fc0ae7424c;hb=a8931ef380c92d121ae74ecfb03b2d63f72eea6f;hp=04d641714d347f0f7e00243a5918c5eb7b6d8a6d;hpb=f6e6e883730aff2718610d3eba7608fcf73328ed;p=linux-2.6

diff --git a/drivers/oprofile/event_buffer.c b/drivers/oprofile/event_buffer.c
index 04d641714d..e7fbac5299 100644
--- a/drivers/oprofile/event_buffer.c
+++ b/drivers/oprofile/event_buffer.c
@@ -70,11 +70,12 @@ void wake_up_buffer_waiter(void)
 int alloc_event_buffer(void)
 {
 	int err = -ENOMEM;
+	unsigned long flags;
 
-	spin_lock(&oprofilefs_lock);
+	spin_lock_irqsave(&oprofilefs_lock, flags);
 	buffer_size = fs_buffer_size;
 	buffer_watershed = fs_buffer_watershed;
-	spin_unlock(&oprofilefs_lock);
+	spin_unlock_irqrestore(&oprofilefs_lock, flags);
  
 	if (buffer_watershed >= buffer_size)
 		return -EINVAL;
@@ -181,7 +182,7 @@ out:
 	return retval;
 }
  
-struct file_operations event_buffer_fops = {
+const struct file_operations event_buffer_fops = {
 	.open		= event_buffer_open,
 	.release	= event_buffer_release,
 	.read		= event_buffer_read,