Re: [PATCH v2] KEYS: remove redundant memset

From: Joe Perches
Date: Wed Jul 22 2020 - 16:20:07 EST


On Wed, 2020-07-22 at 13:10 -0700, Tom Rix wrote:
> On 7/22/20 1:02 PM, Joe Perches wrote:
> > On Wed, 2020-07-22 at 06:46 -0700, trix@xxxxxxxxxx wrote:
> > > From: Tom Rix <trix@xxxxxxxxxx>
> > >
> > > Reviewing use of memset in keyctrl_pkey.c
> > >
> > > keyctl_pkey_params_get prologue code to set params up
> > >
> > > memset(params, 0, sizeof(*params));
> > > params->encoding = "raw";
> > >
> > > keyctl_pkey_query has the same prologue
> > > and calls keyctl_pkey_params_get.
> > >
> > > So remove the prologue.
> > >
> > > Fixes: 00d60fd3b932 ("KEYS: Provide keyctls to drive the new key type ops for asymmetric keys [ver #2]")
> > At best, this is a micro optimization.
> Yes
> > How is this appropriate for a Fixes: line?
> Removing unneeded code is not a fix?

IMO: there's no "bug" here.

It's not a logic defect causing some unintended outcome.
It doesn't need backporting to stable branches.

Documentation/process/submitting-patches.rst-If your patch fixes a bug in a specific commit, e.g. you found an issue using
Documentation/process/submitting-patches.rst:``git bisect``, please use the 'Fixes:' tag with the first 12 characters of
Documentation/process/submitting-patches.rst-the SHA-1 ID, and the one line summary.