| commit | ef77c0b2570623f1d72527cb1c6c3f3d3c59793e | [log] [tgz] |
|---|---|---|
| author | Ian Abbott <abbotti@mev.co.uk> | Fri Nov 08 15:03:29 2013 +0000 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Mon Nov 11 16:16:44 2013 -0800 |
| tree | bb6222077014fb9a924e2fdc4a6ac15a9d3205d5 | |
| parent | d19db51a0eeb659cd924a9d08b20a2ed4ee46b15 [diff] |
staging: comedi: add detachment counter for validity checks Add a member `detach_count` to `struct comedi_device` that is incremented every time the device gets detached. This will be used in some validity checks in the 'read' and 'write' file operations to make sure the attachment remains valid. Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>