i40e: remove irqs only when they are set up
Use an extra state variable to keep track of when the IRQs are fully
set up. This keeps us from trying to unhook IRQs that already were
left unhooked in a failed reset recovery, e.g. when firmware is broken.
Change-ID: I073eb081e4ef8aedcbdf1ee0717c0ed64fa172f2
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h
index 581898f..9c27d8b 100644
--- a/drivers/net/ethernet/intel/i40e/i40e.h
+++ b/drivers/net/ethernet/intel/i40e/i40e.h
@@ -414,6 +414,7 @@
struct i40e_q_vector **q_vectors;
int num_q_vectors;
int base_vector;
+ bool irqs_ready;
u16 seid; /* HW index of this VSI (absolute index) */
u16 id; /* VSI number */
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 52bd69d..029288e 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -2790,6 +2790,7 @@
&q_vector->affinity_mask);
}
+ vsi->irqs_ready = true;
return 0;
free_queue_irqs:
@@ -3349,6 +3350,10 @@
if (!vsi->q_vectors)
return;
+ if (!vsi->irqs_ready)
+ return;
+
+ vsi->irqs_ready = false;
for (i = 0; i < vsi->num_q_vectors; i++) {
u16 vector = i + base;
@@ -5953,6 +5958,7 @@
vsi->netdev_registered = false;
vsi->work_limit = I40E_DEFAULT_IRQ_WORK;
INIT_LIST_HEAD(&vsi->mac_filter_list);
+ vsi->irqs_ready = false;
ret = i40e_set_num_rings_in_vsi(vsi);
if (ret)