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>
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@ -3153,7 +3153,8 @@ static void i40e_vsi_free_irq(struct i40e_vsi *vsi)
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u16 vector = i + base;
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/* free only the irqs that were actually requested */
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if (vsi->q_vectors[i]->num_ringpairs == 0)
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if (!vsi->q_vectors[i] ||
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!vsi->q_vectors[i]->num_ringpairs)
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continue;
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/* clear the affinity_mask in the IRQ descriptor */
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