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authorDon Skidmore <donald.c.skidmore@intel.com>2010-12-01 20:54:53 +0000
committerDavid S. Miller <davem@davemloft.net>2010-12-06 13:16:29 -0800
commitb8eb3a1046f68a5b8f284830d971c62688cd606b (patch)
tree354925d7a60fb63866a588b2c6c55567953602b2 /drivers
parent46bcf14f44d8f31ecfdc8b6708ec15a3b33316d9 (diff)
ixgbe: fix possible NULL pointer deference in shutdown path
After freeing the rings we were not zeroing out the ring count values. This patch now clears these counts correctly. Reported-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ixgbe/ixgbe_main.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index fbad4d819608..eee0b298bd36 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -4771,6 +4771,9 @@ void ixgbe_clear_interrupt_scheme(struct ixgbe_adapter *adapter)
adapter->rx_ring[i] = NULL;
}
+ adapter->num_tx_queues = 0;
+ adapter->num_rx_queues = 0;
+
ixgbe_free_q_vectors(adapter);
ixgbe_reset_interrupt_capability(adapter);
}