staging: comedi: usbduxsigma: kill all urbs before freeing them
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Thu, 23 May 2013 19:56:12 +0000 (12:56 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 30 May 2013 11:40:58 +0000 (20:40 +0900)
For aesthetic reasons, kill all the urbs before freeing them.
Also, remove a redundant killing of the ai and ao urbs in the
(*detach).

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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