From: Oliver Neukum <[EMAIL PROTECTED]>
the memory barrier is needed only with smp.
Signed-off-by: Oliver Neukum <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/usb/core/devio.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 2c32c3f..4ad7995 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -586,7 +586,7 @@ static int usbdev_open(struct inode *inode, struct file
*file)
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:
--
1.5.1.2
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