linux-kernel - Re: [PATCH] scsi: hpsa: Fix memory leak in hpsa_undo_allocations_after_kdump_soft

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Message-Id: <20251231145610.351954-1-zilin@seu.edu.cn>
Date: Wed, 31 Dec 2025 14:56:10 +0000
From: Zilin Guan <zilin@....edu.cn>
To: markus.elfring@....de
Cc: James.Bottomley@...senPartnership.com,
	don.brace@...rochip.com,
	jianhao.xu@....edu.cn,
	linux-kernel@...r.kernel.org,
	linux-scsi@...r.kernel.org,
	martin.petersen@...cle.com,
	storagedev@...rochip.com,
	zilin@....edu.cn
Subject: Re: [PATCH] scsi: hpsa: Fix memory leak in hpsa_undo_allocations_after_kdump_soft_reset()

On Tue, Dec 30, 2025 at 01:09:14PM +0100, Markus Elfring wrote:
> …
> > +++ b/drivers/scsi/hpsa.c
> > @@ -8212,6 +8212,8 @@ static void hpsa_undo_allocations_after_kdump_soft_reset(struct ctlr_info *h)
> >  		h->monitor_ctlr_wq = NULL;
> >  	}
> >  
> > +	kfree(h->reply_map);		/* init_one 1 */
> > +	h->reply_map = NULL;		/* init_one 1 */
> 
> I find this reset statement redundant here.
> 
> 
> >  	kfree(h);				/* init_one 1 */
> >  }
> 
> 
> Regards,
> Markus

Hi Markus,

Thanks for the review.

I originally added the NULL assignment to maintain consistency with the 
existing code style in this function, but I agree it is redundant here.

I will remove it in v2.

Best regards,
Zilin Guan