linux-kernel - Re: [PATCH 2/2] IB/sysfs: fix memory leak

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Date:	Tue, 7 Jun 2016 07:50:01 -0400
From:	Doug Ledford <dledford@...hat.com>
To:	Sudip Mukherjee <sudipm.mukherjee@...il.com>,
	Sean Hefty <sean.hefty@...el.com>,
	Hal Rosenstock <hal.rosenstock@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-rdma@...r.kernel.org
Subject: Re: [PATCH 2/2] IB/sysfs: fix memory leak

On 6/5/2016 4:13 PM, Sudip Mukherjee wrote:
> If the allocation of hsag fails we were just returning but stats was
> not released.
> 
> Signed-off-by: Sudip Mukherjee <sudip.mukherjee@...ethink.co.uk>
> ---
>  drivers/infiniband/core/sysfs.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
> index fcf6f9c..8d8732c 100644
> --- a/drivers/infiniband/core/sysfs.c
> +++ b/drivers/infiniband/core/sysfs.c
> @@ -906,7 +906,7 @@ static void setup_hw_stats(struct ib_device *device, struct ib_port *port,
>  		       sizeof(void *) * (stats->num_counters + 1),
>  		       GFP_KERNEL);
>  	if (!hsag)
> -		return;
> +		goto err;
>  
>  	ret = device->get_hw_stats(device, stats, port_num,
>  				   stats->num_counters);
> 

This issue was previously fixed by another patch and is no longer
applicable.



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