ixgbe: fix ring reallocation in ethtool

changing ring sizes in ethtool needs to be robust.  If an allocation fails the
driver must continue operation, with the previous settings.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index 71ddac6ac4f4..27db64f5c860 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -336,5 +336,9 @@ extern int ixgbe_setup_rx_resources(struct ixgbe_adapter *adapter,
                                     struct ixgbe_ring *rxdr);
 extern int ixgbe_setup_tx_resources(struct ixgbe_adapter *adapter,
                                     struct ixgbe_ring *txdr);
+extern void ixgbe_free_rx_resources(struct ixgbe_adapter *adapter,
+                                    struct ixgbe_ring *rxdr);
+extern void ixgbe_free_tx_resources(struct ixgbe_adapter *adapter,
+                                    struct ixgbe_ring *txdr);
 
 #endif /* _IXGBE_H_ */