Re: 2.6.29rc1 breakes usb: hiddev device no longer available
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From: Folkert van Heusden <hidden>
Date: 2009-01-27 19:52:44
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Since version 2.6.29rc1 querying cleware USb devices no longer works. 2.6.28 works fine. 2.6.29-rc2 also no longer works.quoted
the is the FAILURE situation (2.6.29-rc*): open("/dev/usb/hiddev0", O_RDWR) = 3 ioctl(3, HIDIOCGDEVINFO, 0xbf90c0d8) = 0 ioctl(3, HIDIOCAPPLICATION, 0) = -6291455 ioctl(3, HIDIOCGSTRING, 0x804e2c0) = -1 ENODEV (No such device)Please try this patch.
Yes, that fixes it! Thanks! Ack-by: folkert@vanheusden.com
quoted hunk ↗ jump to hunk
--- linux-2.6/drivers/hid/usbhid/hiddev.c.alt 2009-01-26 20:03:10.000000000 +0100 +++ linux-2.6/drivers/hid/usbhid/hiddev.c 2009-01-26 20:03:17.000000000 +0100@@ -656,7 +656,7 @@ static long hiddev_ioctl(struct file *fi case HIDIOCGSTRING: mutex_lock(&hiddev->existancelock); - if (!hiddev->exist) + if (hiddev->exist) r = hiddev_ioctl_string(hiddev, cmd, user_arg); else r = -ENODEV;
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