Re: [PATCH] fpga: altera-cvp: Fix an error handling path in 'altera_cvp_probe()'

From: Moritz Fischer
Date: Wed Jun 13 2018 - 08:42:12 EST


Hi Christophe,

good catch!

On Mon, Jun 11, 2018 at 12:20 PM, Christophe JAILLET
<christophe.jaillet@xxxxxxxxxx> wrote:
> If 'fpga_mgr_create()' fails, we should release some resources, as done
> in the other error handling path of the function.
>
> Fixes: 7085e2a94f7d ("fpga: manager: change api, don't use drvdata")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Reviewed-by: Moritz Fischer <mdf@xxxxxxxxxx>
> ---
> drivers/fpga/altera-cvp.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/fpga/altera-cvp.c b/drivers/fpga/altera-cvp.c
> index dd4edd8f22ce..7fa793672a7a 100644
> --- a/drivers/fpga/altera-cvp.c
> +++ b/drivers/fpga/altera-cvp.c
> @@ -455,8 +455,10 @@ static int altera_cvp_probe(struct pci_dev *pdev,
>
> mgr = fpga_mgr_create(&pdev->dev, conf->mgr_name,
> &altera_cvp_ops, conf);
> - if (!mgr)
> - return -ENOMEM;
> + if (!mgr) {
> + ret = -ENOMEM;
> + goto err_unmap;
> + }
>
> pci_set_drvdata(pdev, mgr);
>
> --
> 2.17.0
>
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Thanks,

Moritz