Without clearing OPEN flag in failure path, runtime or system resume
may submit interrupt/rx URB and start tx queue mistakenly on a
interface in DOWN state.

Cc: [email protected]
Signed-off-by: Ming Lei <[email protected]>
---
 drivers/net/usb/usbnet.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index ac2e493..f06cf9b 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -793,11 +793,13 @@ int usbnet_open (struct net_device *net)
        if (info->manage_power) {
                retval = info->manage_power(dev, 1);
                if (retval < 0)
-                       goto done;
+                       goto done_manage_power_error;
                usb_autopm_put_interface(dev->intf);
        }
        return retval;
 
+done_manage_power_error:
+       clear_bit(EVENT_DEV_OPEN, &dev->flags);
 done:
        usb_autopm_put_interface(dev->intf);
 done_nopm:
-- 
1.7.9.5

--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to