Commit 78681b1f authored Nov 28, 2013 by Shannon Nelson Committed by Jeff Kirsher Jan 04, 2014

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>

parent 90bb776a

drivers/net/ethernet/intel/i40e/i40e_main.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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 */