diff options
| author | Manish Chopra <manish.chopra@qlogic.com> | 2014-05-06 03:46:48 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-05-07 16:53:14 -0400 |
| commit | d5d2bf3eabb34cc8eaf54db37fdc43f04267985a (patch) | |
| tree | 0bf5757d167b90b762e6b66488d29cd00b9a4deb /drivers/net | |
| parent | 76a691d0ab71a244f7582a5b0387728befbdb52f (diff) | |
| download | linux-d5d2bf3eabb34cc8eaf54db37fdc43f04267985a.tar.bz2 | |
qlcnic: Fix panic while dumping TX queues on TX timeout
o In case of non-multi TX queue mode driver does not initialize "crb_intr_mask" pointer
and driver was accessing that un-initialized pointer while dumping TX queue.
So dump "crb_intr_mask" only when it is initilaized.
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index 0bc914859e38..be789513774c 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -2943,9 +2943,13 @@ static void qlcnic_dump_tx_rings(struct qlcnic_adapter *adapter) tx_ring->tx_stats.xmit_called, tx_ring->tx_stats.xmit_on, tx_ring->tx_stats.xmit_off); + + if (tx_ring->crb_intr_mask) + netdev_info(netdev, "crb_intr_mask=%d\n", + readl(tx_ring->crb_intr_mask)); + netdev_info(netdev, - "crb_intr_mask=%d, hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", - readl(tx_ring->crb_intr_mask), + "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", readl(tx_ring->crb_cmd_producer), tx_ring->producer, tx_ring->sw_consumer, le32_to_cpu(*(tx_ring->hw_consumer))); |