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| author | Dmitry Torokhov <dtor@insightbb.com> | 2007-02-10 01:26:32 -0500 |
|---|---|---|
| committer | Dmitry Torokhov <dtor@insightbb.com> | 2007-02-10 01:26:32 -0500 |
| commit | b22364c8eec89e6b0c081a237f3b6348df87796f (patch) | |
| tree | 233a923281fb640106465d076997ff511efb6edf /drivers/usb/image/mdc800.c | |
| parent | 2c8dc071517ec2843869024dc82be2e246f41064 (diff) | |
| parent | 66efc5a7e3061c3597ac43a8bb1026488d57e66b (diff) | |
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/usb/image/mdc800.c')
| -rw-r--r-- | drivers/usb/image/mdc800.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/image/mdc800.c b/drivers/usb/image/mdc800.c index 63a84bbc310..d308afd0693 100644 --- a/drivers/usb/image/mdc800.c +++ b/drivers/usb/image/mdc800.c @@ -565,11 +565,15 @@ static void mdc800_usb_disconnect (struct usb_interface *intf) usb_deregister_dev(intf, &mdc800_class); + /* must be under lock to make sure no URB + is submitted after usb_kill_urb() */ + mutex_lock(&mdc800->io_lock); mdc800->state=NOT_CONNECTED; usb_kill_urb(mdc800->irq_urb); usb_kill_urb(mdc800->write_urb); usb_kill_urb(mdc800->download_urb); + mutex_unlock(&mdc800->io_lock); mdc800->dev = NULL; usb_set_intfdata(intf, NULL); |