Re: [PATCH] drm/komeda: prevent memory leak in komeda_wb_connector_add

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On Tue, Sep 24, 2019 at 11:30:30PM -0500, Navid Emamdoost wrote:
> In komeda_wb_connector_add if drm_writeback_connector_init fails the
> allocated memory for kwb_conn should be released.
> 
> Signed-off-by: Navid Emamdoost <navid.emamdoost@xxxxxxxxx>
> ---
>  drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c b/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c
> index 2851cac94d86..75133f967fdb 100644
> --- a/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c
> +++ b/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c
> @@ -166,8 +166,10 @@ static int komeda_wb_connector_add(struct komeda_kms_dev *kms,
>  					   &komeda_wb_encoder_helper_funcs,
>  					   formats, n_formats);
>  	komeda_put_fourcc_list(formats);
> -	if (err)
> +	if (err) {
> +		kfree(kwb_conn);
>  		return err;
> +	}

Hi Navid:

Thank you for the patch.

Reviewed-by: James Qian Wang (Arm Technology China) <james.qian.wang@xxxxxxx>

>  
>  	drm_connector_helper_add(&wb_conn->base, &komeda_wb_conn_helper_funcs);
>  
> -- 
> 2.17.1
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