diff options
| author | Oliver Neukum <oliver@neukum.org> | 2012-08-27 00:41:38 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-09-01 00:12:21 +0400 |
| commit | ab6f148de28261682d300662e87b9477f7efc95b (patch) | |
| tree | bbeb5fe3437e73b64562a0f48e65e2634f568d40 /drivers | |
| parent | b72c200975a4ed579dbf3353019e19528745a29a (diff) | |
| download | linux-ab6f148de28261682d300662e87b9477f7efc95b.tar.xz | |
usbnet: fix deadlock in resume
A usbnet device can share a multifunction device
with a storage device. If the storage device is autoresumed
the usbnet devices also needs to be autoresumed. Allocating
memory with GFP_KERNEL can deadlock in this case.
This should go back into all kernels that have
commit 65841fd5132c3941cdf5df09e70df3ed28323212
That is 3.5
Signed-off-by: Oliver Neukum <oneukum@suse.de>
CC: stable@kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/usb/usbnet.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 8531c1caac28..fd4b26d46fd5 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1573,7 +1573,7 @@ int usbnet_resume (struct usb_interface *intf) netif_device_present(dev->net) && !timer_pending(&dev->delay) && !test_bit(EVENT_RX_HALT, &dev->flags)) - rx_alloc_submit(dev, GFP_KERNEL); + rx_alloc_submit(dev, GFP_NOIO); if (!(dev->txq.qlen >= TX_QLEN(dev))) netif_tx_wake_all_queues(dev->net); |