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ixgbe: Handle previously-freed msix_entries

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The msix_entries memory can be freed by a previous suspend or
remove, so don't crash on close when it isn't there.

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Krishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Mark Rustad 2016-09-28 15:36:38 -07:00 committed by Jeff Kirsher
parent 2916500db3
commit 1fa7125277
1 changed files with 3 additions and 0 deletions
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3
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
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@ -3070,6 +3070,9 @@ static void ixgbe_free_irq(struct ixgbe_adapter *adapter)
return;
}
if (!adapter->msix_entries)
return;
for (vector = 0; vector < adapter->num_q_vectors; vector++) {
struct ixgbe_q_vector *q_vector = adapter->q_vector[vector];
struct msix_entry *entry = &adapter->msix_entries[vector];