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| author | Ingo Molnar <mingo@elte.hu> | 2009-11-15 09:50:38 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-11-15 09:50:41 +0100 |
| commit | 39dc78b6510323848e3356452f7dab9499736978 (patch) | |
| tree | cf8a8fede74e41b203fd00e3ccd21ead2e851442 /drivers/net/wireless/rt2x00/rt2x00usb.c | |
| parent | 4c49b12853fbb5eff4849b7b6a1e895776f027a1 (diff) | |
| parent | 156171c71a0dc4bce12b4408bb1591f8fe32dc1a (diff) | |
| download | op-kernel-dev-39dc78b6510323848e3356452f7dab9499736978.zip op-kernel-dev-39dc78b6510323848e3356452f7dab9499736978.tar.gz | |
Merge commit 'v2.6.32-rc7' into perf/core
Merge reason: pick up perf fixlets
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 5015448..f02b48a 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)) |
