| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.7 039/141] i40iw: Add missing check for interface already open | Date | Thu, 6 Oct 2016 10:27:55 +0200 |
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4.7-stable review patch. If anyone has any objections, please let me know.
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From: Mustafa Ismail <mustafa.ismail@intel.com>
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@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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- 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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