i40iw: Add missing check for interface already open

In i40iw_open(), check if interface is already open
and return success if it is.

Fixes: 8e06af711b ("i40iw: add main, hdr, status")

Reported-by: Stefan Assmann <sassmann@redhat.com>
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Mustafa Ismail 2016-08-22 18:17:12 -05:00 committed by Doug Ledford
parent 44856be3e9
commit faa739fb5d

View File

@ -1558,6 +1558,10 @@ static int i40iw_open(struct i40e_info *ldev, struct i40e_client *client)
enum i40iw_status_code status;
struct i40iw_handler *hdl;
hdl = i40iw_find_netdev(ldev->netdev);
if (hdl)
return 0;
hdl = kzalloc(sizeof(*hdl), GFP_KERNEL);
if (!hdl)
return -ENOMEM;