tg3: Fix inconsistent locking for tg3_netif_start().

Every caller holds tp->lock when calling tg3_netif_start() except
tg3_io_resume().  Fix it so that it is all consistent.  The subsequent
PTP patches add tg3_ptp_resume() to tg3_netif_start() and the tp->lock
is required.

Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nithin Nayak Sujir 2012-12-03 19:36:56 +00:00 committed by David S. Miller
parent 682d7978ae
commit 357630668a

View File

@ -6525,6 +6525,7 @@ static inline void tg3_netif_stop(struct tg3 *tp)
netif_tx_disable(tp->dev);
}
/* tp->lock must be held */
static inline void tg3_netif_start(struct tg3 *tp)
{
/* NOTE: unconditional netif_tx_wake_all_queues is only
@ -16599,8 +16600,8 @@ static void tg3_io_resume(struct pci_dev *pdev)
tg3_full_lock(tp, 0);
tg3_flag_set(tp, INIT_COMPLETE);
err = tg3_restart_hw(tp, 1);
tg3_full_unlock(tp);
if (err) {
tg3_full_unlock(tp);
netdev_err(netdev, "Cannot restart hardware after reset.\n");
goto done;
}
@ -16611,6 +16612,8 @@ static void tg3_io_resume(struct pci_dev *pdev)
tg3_netif_start(tp);
tg3_full_unlock(tp);
tg3_phy_start(tp);
done: