linux-kernel - Re: [PATCH] usb: host: pci_quirks: fix memory leak, by adding iounmap

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Message-ID: <20151201223506.GA27400@kroah.com>
Date:	Tue, 1 Dec 2015 14:35:06 -0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Saurabh Sengar <saurabh.truth@...il.com>
Cc:	mathias.nyman@...el.com, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: host: pci_quirks: fix memory leak, by adding iounmap

On Fri, Nov 06, 2015 at 05:46:30PM +0530, Saurabh Sengar wrote:
> added iounmap inorder to free memory mapped to base before returning
> 
> Signed-off-by: Saurabh Sengar <saurabh.truth@...il.com>
> ---
>  drivers/usb/host/pci-quirks.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
> index f940056..332f687 100644
> --- a/drivers/usb/host/pci-quirks.c
> +++ b/drivers/usb/host/pci-quirks.c
> @@ -990,7 +990,7 @@ static void quirk_usb_handoff_xhci(struct pci_dev *pdev)
>  			/* We're reading garbage from the controller */
>  			dev_warn(&pdev->dev,
>  				 "xHCI controller failing to respond");
> -			return;
> +			goto iounmap;
>  		}
>  
>  		if (!ext_cap_offset)
> @@ -1061,7 +1061,7 @@ hc_init:
>  			 "xHCI HW did not halt within %d usec status = 0x%x\n",
>  			 XHCI_MAX_HALT_USEC, val);
>  	}
> -
> +iounmap:
>  	iounmap(base);
>  }
>  

Does not apply to the tree :(
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