4.7-stable review patch. If anyone has any objections, please let me know.
------------------
From: Mustafa Ismail <mustafa.ismail@xxxxxxxxx>
commit faa739fb5df56aadab96bcd2f6eb3486cc3a3aec upstream.
In i40iw_open(), check if interface is already open
and return success if it is.
Fixes: 8e06af711bf2 ("i40iw: add main, hdr, status")
Reported-by: Stefan Assmann <sassmann@xxxxxxxxxx>
Signed-off-by: Mustafa Ismail <mustafa.ismail@xxxxxxxxx>
Signed-off-by: Shiraz Saleem <shiraz.saleem@xxxxxxxxx>
Signed-off-by: Doug Ledford <dledford@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/infiniband/hw/i40iw/i40iw_main.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/infiniband/hw/i40iw/i40iw_main.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_main.c
@@ -1558,6 +1558,10 @@ static int i40iw_open(struct i40e_info *
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;
--
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