Commit 00403f04 authored Sep 28, 2013 by Mitch Williams Committed by Jeff Kirsher Oct 22, 2013

i40e: don't free nonexistent rings



Not all VSIs have rings! Check to see if rings were actually allocated before
freeing them.

This prevents a panic when tx_rings[0] is not allocated.

Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

parent 1022cb6c

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

+6 −5

Original line number	Diff line number	Diff line
		@@ -5160,6 +5160,7 @@ static s32 i40e_vsi_clear_rings(struct i40e_vsi *vsi)
		{
		int i;

		if (vsi->tx_rings[0])
		for (i = 0; i < vsi->alloc_queue_pairs; i++) {
		kfree_rcu(vsi->tx_rings[i], rcu);
		vsi->tx_rings[i] = NULL;

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