diff options
| author | Shannon Nelson <shannon.nelson@intel.com> | 2013-11-28 06:39:36 +0000 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2014-01-04 23:54:42 -0800 |
| commit | 78681b1f875a9c20f9774af16fb927064f75b461 (patch) | |
| tree | cce02b2e579278de14b77ceffb8afc4c578f1f4b | |
| parent | 90bb776ae58ff989010d15bef03b24c14c4d1e67 (diff) | |
i40e: catch unset q_vector
Don't try to free a q_vector that hasn't been set up as it can
panic the kernel.
Change-Id: I0650cc6c441d0779788c522c790293c276d14fbc
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_main.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 2785d7e59b30..bfc3037c9426 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -3153,7 +3153,8 @@ static void i40e_vsi_free_irq(struct i40e_vsi *vsi) u16 vector = i + base; /* free only the irqs that were actually requested */ - if (vsi->q_vectors[i]->num_ringpairs == 0) + if (!vsi->q_vectors[i] || + !vsi->q_vectors[i]->num_ringpairs) continue; /* clear the affinity_mask in the IRQ descriptor */ |