diff options
| author |   hayeswang <hayeswang@realtek.com> | 2014-11-05 10:17:02 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-11-05 22:17:10 -0500 |
| commit | 93ffbeab77ca6a49e075235faa04c8b032c9fdc1 (patch) | |
| tree | 98d0e0dc1a8954e5418ccd1a9a72a3ca6b5fc2ac /drivers/net/usb/r8152.c | |
| parent | ipv6: mld: fix add_grhead skb_over_panic for devs with large MTUs (diff) | |
| download | linux-dev-93ffbeab77ca6a49e075235faa04c8b032c9fdc1.tar.xz linux-dev-93ffbeab77ca6a49e075235faa04c8b032c9fdc1.zip | |
r8152: disable the tasklet by default
Let the tasklet only be enabled after open(), and be disabled for
the other situation. The tasklet is only necessary after open() for
tx/rx, so it could be disabled by default.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb/r8152.c')
| -rw-r--r-- | drivers/net/usb/r8152.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 8ded08e027fb..fd41675bc038 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -2943,6 +2943,8 @@ static int rtl8152_open(struct net_device *netdev) netif_warn(tp, ifup, netdev, "intr_urb submit failed: %d\n", res); free_all_mem(tp); + } else { + tasklet_enable(&tp->tl); } mutex_unlock(&tp->control); @@ -2958,6 +2960,7 @@ static int rtl8152_close(struct net_device *netdev) struct r8152 *tp = netdev_priv(netdev); int res = 0; + tasklet_disable(&tp->tl); clear_bit(WORK_ENABLE, &tp->flags); usb_kill_urb(tp->intr_urb); cancel_delayed_work_sync(&tp->schedule); @@ -2975,9 +2978,7 @@ static int rtl8152_close(struct net_device *netdev) */ rtl_runtime_suspend_enable(tp, false); - tasklet_disable(&tp->tl); tp->rtl_ops.down(tp); - tasklet_enable(&tp->tl); mutex_unlock(&tp->control); @@ -3887,12 +3888,15 @@ static int rtl8152_probe(struct usb_interface *intf, else device_set_wakeup_enable(&udev->dev, false); + tasklet_disable(&tp->tl); + netif_info(tp, probe, netdev, "%s\n", DRIVER_VERSION); return 0; out1: usb_set_intfdata(intf, NULL); + tasklet_kill(&tp->tl); out: free_netdev(netdev); return ret; |