staging: comedi: usbduxsigma: set *_cmd_running flags before submitting urbs

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As pointed out by Ian Abbott, the *_cmd_running flags should be set
before submitting the urbs. There is a possible race condition where
an urb could complete and the flag is checked in the completion
routine before it's set.

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

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H Hartley Sweeten 2013-07-25 16:21:13 -07:00 • committed by Greg Kroah-Hartman

parent b07dee7c9a

commit 9c922a9076

1 changed files with 12 additions and 6 deletions

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drivers/staging/comedi/drivers/usbduxsigma.c

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