From: Florian Fainelli f.fainelli@gmail.com
commit cbce91cad4ee39070bf3c7873767194e4be88e16 upstream.
txr->dev_state was not consistently manipulated with the acquisition of the per-queue lock, after further inspection the lock does not seem necessary, either the value is read as BNXT_DEV_STATE_CLOSING or 0.
Reported-by: coverity (CID 1339583) Fixes: c0c050c58d840 ("bnxt_en: New Broadcom ethernet driver.") Signed-off-by: Florian Fainelli f.fainelli@gmail.com Acked-by: Michael Chan michael.chan@broadcom.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/net/ethernet/broadcom/bnxt/bnxt.c | 2 -- 1 file changed, 2 deletions(-)
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -4310,9 +4310,7 @@ static void bnxt_tx_disable(struct bnxt bnapi = bp->bnapi[i]; txr = &bnapi->tx_ring; txq = netdev_get_tx_queue(bp->dev, i); - __netif_tx_lock(txq, smp_processor_id()); txr->dev_state = BNXT_DEV_STATE_CLOSING; - __netif_tx_unlock(txq); } } /* Stop all TX queues */