Re: [PATCH v2] xen: fix memory leak in __xen_pcibk_add_pci_dev()

[Jan Beulich]

>>> On 01.04.14 at 12:15, <daeseok.youn@xxxxxxxxx> wrote:

> It need to free dev_entry when it failed to assign to a new
> slot on the virtual PCI bus.
> 
> smatch says:
>  drivers/xen/xen-pciback/vpci.c:142 __xen_pcibk_add_pci_dev() warn:
> possible memory leak of 'dev_entry'
> 
> Signed-off-by: Daeseok Youn <daeseok.youn@xxxxxxxxx>

As before
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>

> ---
> v2: The kfree() invocation is moved outside the locked region.
> 
>  drivers/xen/xen-pciback/vpci.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/xen/xen-pciback/vpci.c b/drivers/xen/xen-pciback/vpci.c
> index 3165ce3..51afff9 100644
> --- a/drivers/xen/xen-pciback/vpci.c
> +++ b/drivers/xen/xen-pciback/vpci.c
> @@ -137,6 +137,8 @@ unlock:
>  	/* Publish this device. */
>  	if (!err)
>  		err = publish_cb(pdev, 0, 0, PCI_DEVFN(slot, func), devid);
> +	else
> +		kfree(dev_entry);
>  
>  out:
>  	return err;
> -- 
> 1.7.4.4



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/