linux-kernel - RE: [PATCH 1/1] Drivers: hv: balloon: Fix a memory leak

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Message-ID: <be0dc05173404e6f8bba143a053b3823@BLUPR03MB050.namprd03.prod.outlook.com>
Date:	Thu, 13 Dec 2012 15:29:58 +0000
From:	KY Srinivasan <kys@...rosoft.com>
To:	Dan Carpenter <dan.carpenter@...cle.com>
CC:	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
	"olaf@...fle.de" <olaf@...fle.de>,
	"apw@...onical.com" <apw@...onical.com>,
	"jasowang@...hat.com" <jasowang@...hat.com>
Subject: RE: [PATCH 1/1] Drivers: hv: balloon: Fix a memory leak



> -----Original Message-----
> From: Dan Carpenter [mailto:dan.carpenter@...cle.com]
> Sent: Thursday, December 13, 2012 4:38 AM
> To: KY Srinivasan
> Cc: gregkh@...uxfoundation.org; linux-kernel@...r.kernel.org;
> devel@...uxdriverproject.org; olaf@...fle.de; apw@...onical.com;
> jasowang@...hat.com
> Subject: Re: [PATCH 1/1] Drivers: hv: balloon: Fix a memory leak
> 
> On Tue, Dec 11, 2012 at 11:07:17AM -0800, K. Y. Srinivasan wrote:
> > -probe_error1:
> > +probe_error2:
> >  	kthread_stop(dm_device.thread);
> >
> > -probe_error0:
> > +probe_error1:
> >  	vmbus_close(dev->channel);
> > +probe_error0:
> > +	kfree(send_buffer);
> 
> If you used labels that describe what the code does instead of
> GW-BASIC labels then you wouldn't need to rename them.
> 
> err_stop_thread:
> 	kthread_stop(dm_device.thread);
> err_close_vmbus:
> 	vmbus_close(dev->channel);
> err_free_send_buf:
> 	kfree(send_buffer);

Thanks Dan. I am not sure how this labeling scheme would work in general where each error
recovery block is a collection of rollback operation. I see your point though.

Regards,

K. Y 
 


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