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i40e: remove irqs only when they are set up

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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>
This commit is contained in:
Shannon Nelson 2014-04-23 04:50:16 +00:00 committed by Jeff Kirsher
parent 60442dea2e
commit 6374184672
2 changed files with 7 additions and 0 deletions
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1
drivers/net/ethernet/intel/i40e/i40e.h
View File

@ -414,6 +414,7 @@ struct i40e_vsi {
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 */

6
drivers/net/ethernet/intel/i40e/i40e_main.c
View File

@ -2790,6 +2790,7 @@ static int i40e_vsi_request_irq_msix(struct i40e_vsi *vsi, char *basename)
&q_vector->affinity_mask);
}
vsi->irqs_ready = true;
return 0;
free_queue_irqs:
@ -3349,6 +3350,10 @@ static void i40e_vsi_free_irq(struct i40e_vsi *vsi)
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 @@ static int i40e_vsi_mem_alloc(struct i40e_pf *pf, enum i40e_vsi_type type)
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)