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authorEric W. Biederman <ebiederm@xmission.com>2009-11-17 01:01:34 -0800
committerEric W. Biederman <ebiederm@xmission.com>2009-11-17 01:01:34 -0800
commitbb9074ff58fe745e4f244f76209241909c82ec9c (patch)
treecf6be00ab88b1e315f6b74a896a370440f677599 /drivers/net/wireless/rt2x00/rt2x00usb.c
parent4739a9748e1bd7459f22f7e94e7d85710ca83954 (diff)
parent156171c71a0dc4bce12b4408bb1591f8fe32dc1a (diff)
Merge commit 'v2.6.32-rc7'
Resolve the conflict between v2.6.32-rc7 where dn_def_dev_handler gets a small bug fix and the sysctl tree where I am removing all sysctl strategy routines.
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00usb.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00usb.c9
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))