diff options
| author | David S. Miller <davem@davemloft.net> | 2009-11-08 23:00:54 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-11-08 23:00:54 -0800 |
| commit | d0e1e88d6e7dbd8e1661cb6a058ca30f54ee39e4 (patch) | |
| tree | daab7cc0db83226672f76d2fc9277e4355f89e6b /drivers/net/wireless/rt2x00/rt2x00usb.c | |
| parent | 9e0d57fd6dad37d72a3ca6db00ca8c76f2215454 (diff) | |
| parent | 2606289779cb297320a185db5997729d29b6700b (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/can/usb/ems_usb.c
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00usb.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00usb.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c index 501544882c2..f02b48a9059 100644 --- a/drivers/net/wireless/rt2x00/rt2x00usb.c +++ b/drivers/net/wireless/rt2x00/rt2x00usb.c @@ -47,6 +47,8 @@ int rt2x00usb_vendor_request(struct rt2x00_dev *rt2x00dev, (requesttype == USB_VENDOR_REQUEST_IN) ? usb_rcvctrlpipe(usb_dev, 0) : usb_sndctrlpipe(usb_dev, 0); + if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags)) + return -ENODEV; for (i = 0; i < REGISTER_BUSY_COUNT; i++) { status = usb_control_msg(usb_dev, pipe, request, requesttype, @@ -60,8 +62,10 @@ int rt2x00usb_vendor_request(struct rt2x00_dev *rt2x00dev, * -ENODEV: Device has disappeared, no point continuing. * All other errors: Try again. */ - else if (status == -ENODEV) + else if (status == -ENODEV) { + clear_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags); break; + } } ERROR(rt2x00dev, @@ -161,6 +165,9 @@ int rt2x00usb_regbusy_read(struct rt2x00_dev *rt2x00dev, { unsigned int i; + if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags)) + return -ENODEV; + for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2x00usb_register_read_lock(rt2x00dev, offset, reg); if (!rt2x00_get_field32(*reg, field)) |