On 05/26/2016 10:11 PM, Christopher Larson wrote:
>
>
> On Thu, May 26, 2016 at 12:44 PM, Ming Liu <liu.ming50@gmail.com 
> <mailto:liu.ming50@gmail.com>> wrote:
>
>     From: Ming Liu <peter.x.liu@external.atlascopco.com
>     <mailto:peter.x.liu@external.atlascopco.com>>
>
>     To avoid reporting errors when swapoff does not exist.
>
>     Signed-off-by: Ming Liu <peter.x.liu@external.atlascopco.com
>     <mailto:peter.x.liu@external.atlascopco.com>>
>
>
> This will suppress *real* errors as well. Better to just check if 
> swapoff exists and then run it if it does, if that's a concern.
Yes, checking if it exists makes more sense. And swapon is being used 
with 2> /dev/null as well in some places, better to change them also. I 
will send a V1 soon.

//Ming Liu
> -- 
> Christopher Larson
> clarson at kergoth dot com
> Founder - BitBake, OpenEmbedded, OpenZaurus
> Maintainer - Tslib
> Senior Software Engineer, Mentor Graphics