Hi,
the memory barrier is needed only with smp.
Regards
Oliver
Signed-off-by: Oliver Neukum <[EMAIL PROTECTED]>
----
--- a/drivers/usb/core/devio.c 2007-04-20 20:20:29.000000000 +0200
+++ b/drivers/usb/core/devio.c 2007-04-20 20:27:45.000000000 +0200
@@ -581,7 +581,7 @@ static int usbdev_open(struct inode *ino
ps->disccontext = NULL;
ps->ifclaimed = 0;
security_task_getsecid(current, &ps->secid);
- wmb();
+ smp_wmb();
list_add_tail(&ps->list, &dev->filelist);
file->private_data = ps;
out:
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