USB: yurex: fix race between probe() and read()
There's a window during which read() would return 0 instead
of a correct error for no data yet. Reorder initialization
to fix the race.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c
index 2427820..1472805 100644
--- a/drivers/usb/misc/yurex.c
+++ b/drivers/usb/misc/yurex.c
@@ -296,6 +296,7 @@
/* save our data pointer in this interface device */
usb_set_intfdata(interface, dev);
+ dev->bbu = -1;
/* we can register the device now, as it is ready */
retval = usb_register_dev(interface, &yurex_class);
@@ -306,8 +307,6 @@
goto error;
}
- dev->bbu = -1;
-
dev_info(&interface->dev,
"USB YUREX device now attached to Yurex #%d\n",
interface->minor);