linux-kernel - Re: Drivers: hv: vmbus: One function call less in create_gpadl

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Date: Thu, 11 Jan 2024 10:04:59 +0300
From: Dan Carpenter <dan.carpenter@...aro.org>
To: Michael Kelley <mhklinux@...look.com>
Cc: Markus Elfring <Markus.Elfring@....de>,
	"linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
	"kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>,
	Dexuan Cui <decui@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	"K. Y. Srinivasan" <kys@...rosoft.com>,
	Wei Liu <wei.liu@...nel.org>, "cocci@...ia.fr" <cocci@...ia.fr>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Drivers: hv: vmbus: One function call less in
 create_gpadl_header() after error detection

On Wed, Jan 10, 2024 at 10:17:17PM +0000, Michael Kelley wrote:
> From: Dan Carpenter <dan.carpenter@...aro.org> Sent: Wednesday, January 10, 2024 10:38 AM
> > 
> > The second half of the if statement is basically duplicated.  It doesn't
> > need to be treated as a special case.  We could do something like below.
> > I deliberately didn't delete the tabs.  Also I haven't tested it.
> 
> Indeed!  I looked at the history, and this function has been
> structured with the duplication since sometime in 2010, which
> pre-dates my involvement by several years.  I don't know of
> any reason why the duplication is needed, and agree it could
> be eliminated.
> 
> Assuming Markus is OK with my proposal on the handling of
> memory allocation failures, a single patch could simplify this
> function quite a bit.
> 
> Dan -- do you want to create and submit the patch?  I'll test the
> code on Hyper-V.  Or I can create, test, and submit the patch with
> a "Suggested-by: Dan Carpenter".

I messed up the if statement the first couple times I tried to think
about it so I don't trust myself here.  Could you give me the
Suggested-by tag?

regards,
dan carpenter