Re: [PATCH v2 10/18] evm: Turn evm_update_evmxattr into void function

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On Wed, 2016-05-25 at 15:30 +1000, James Morris wrote:
> On Fri, 20 May 2016, Andreas Gruenbacher wrote:
> 
> > The return value of evm_update_evmxattr is never used.
> > 
> > Signed-off-by: Andreas Gruenbacher <agruenba@xxxxxxxxxx>
> 
> As I mentioned last time, the EVM code is silently ignoring errors here, 
> and I'd prefer to see that fixed.

Agreed.   evm_update_evmxattr() is called as a result of a "protected"
xattr or some other file metadata having been modified.  The two actions
need to remain in sync, otherwise subsequent file access will be denied.
At the point that evm_update_evmxattr() fails, there isn't much that can
be done other than audit the failure.  The file metadata has already
been modified.

Mimi

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