diff options
| author | Mustafa Ismail <mustafa.ismail@intel.com> | 2016-12-07 00:49:30 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-12-13 01:20:26 +0300 |
| commit | f4a87ca12a1c203913a5cc889ec49b817a1f45fc (patch) | |
| tree | fab49377163fae43144892789644e5ccc72cb0e1 /drivers/infiniband/hw/i40iw/i40iw_hw.c | |
| parent | 91c42b72f8e8b45961ff05a05009b644e6316ca2 (diff) | |
| download | linux-f4a87ca12a1c203913a5cc889ec49b817a1f45fc.tar.xz | |
i40iw: Fix double free of QP
A QP can be double freed if i40iw_cm_disconn() is
called while it is currently being freed by
i40iw_rem_ref(). The fix in i40iw_cm_disconn() will
first check if the QP is already freed before
making another request for the QP to be freed.
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/i40iw/i40iw_hw.c')
| -rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw_hw.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/i40iw/i40iw_hw.c b/drivers/infiniband/hw/i40iw/i40iw_hw.c index 5e2c16c725e3..b2854b11a240 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_hw.c +++ b/drivers/infiniband/hw/i40iw/i40iw_hw.c @@ -308,7 +308,9 @@ void i40iw_process_aeq(struct i40iw_device *iwdev) iwqp = iwdev->qp_table[info->qp_cq_id]; if (!iwqp) { spin_unlock_irqrestore(&iwdev->qptable_lock, flags); - i40iw_pr_err("qp_id %d is already freed\n", info->qp_cq_id); + i40iw_debug(dev, I40IW_DEBUG_AEQ, + "%s qp_id %d is already freed\n", + __func__, info->qp_cq_id); continue; } i40iw_add_ref(&iwqp->ibqp); |