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authorShiraz Saleem <shiraz.saleem@intel.com>2017-06-24 00:03:58 +0300
committerDoug Ledford <dledford@redhat.com>2017-07-20 18:20:49 +0300
commit6327cb09dfda103f7255ef218ac18697b293554a (patch)
tree3332f3dee8e9388d2043cf9e4fc7356b62facc60 /drivers/infiniband
parent6c1d94de4e75160d3ea5af3bf51d290341db1d44 (diff)
downloadlinux-6327cb09dfda103f7255ef218ac18697b293554a.tar.xz
i40iw: Release cm_id ref on PCI function reset
On PCI function reset, cm_id reference is not released which causes an application hang, as it waits on the cm_id to be released on rdma_destroy. To fix this, call i40iw_cm_disconn during a PCI function reset to clean-up resources and release cm_id reference. 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')
-rw-r--r--drivers/infiniband/hw/i40iw/i40iw_cm.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/i40iw/i40iw_cm.c b/drivers/infiniband/hw/i40iw/i40iw_cm.c
index 6ae98aa7f74e..5a2fa743676c 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_cm.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_cm.c
@@ -3487,7 +3487,8 @@ static void i40iw_cm_disconn_true(struct i40iw_qp *iwqp)
if (((original_hw_tcp_state == I40IW_TCP_STATE_CLOSED) ||
(original_hw_tcp_state == I40IW_TCP_STATE_TIME_WAIT) ||
(last_ae == I40IW_AE_RDMAP_ROE_BAD_LLP_CLOSE) ||
- (last_ae == I40IW_AE_LLP_CONNECTION_RESET))) {
+ (last_ae == I40IW_AE_LLP_CONNECTION_RESET) ||
+ iwdev->reset)) {
issue_close = 1;
iwqp->cm_id = NULL;
if (!iwqp->flush_issued) {
@@ -4265,6 +4266,8 @@ void i40iw_cm_disconnect_all(struct i40iw_device *iwdev)
cm_node = container_of(list_node, struct i40iw_cm_node, connected_entry);
attr.qp_state = IB_QPS_ERR;
i40iw_modify_qp(&cm_node->iwqp->ibqp, &attr, IB_QP_STATE, NULL);
+ if (iwdev->reset)
+ i40iw_cm_disconn(cm_node->iwqp);
i40iw_rem_ref_cm_node(cm_node);
}
}