[PATCH v2] PCI: rockchip-ep: Fix error code in rockchip_pcie_ep_init_ob_mem()

[Niklas Cassel]

On Mon, Dec 02, 2024 at 12:07:22PM +0300, Dan Carpenter wrote:
> Return -ENOMEM if pci_epc_mem_alloc_addr() fails.  Don't return success.
> 
> Fixes: 945648019466 ("PCI: rockchip-ep: Refactor rockchip_pcie_ep_probe() memory allocations")
> Signed-off-by: Dan Carpenter <dan.carpenter at linaro.org>
> Reviewed-by: Damien Le Moal <dlemoal at kernel.org>
> ---
> v2: Update the git hash for the Fixes tag because the tree was rebased I guess.
> 
>  drivers/pci/controller/pcie-rockchip-ep.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/pci/controller/pcie-rockchip-ep.c b/drivers/pci/controller/pcie-rockchip-ep.c
> index 1064b7b06cef..34162ca14093 100644
> --- a/drivers/pci/controller/pcie-rockchip-ep.c
> +++ b/drivers/pci/controller/pcie-rockchip-ep.c
> @@ -784,6 +784,7 @@ static int rockchip_pcie_ep_init_ob_mem(struct rockchip_pcie_ep *ep)
>  						  SZ_1M);
>  	if (!ep->irq_cpu_addr) {
>  		dev_err(dev, "failed to reserve memory space for MSI\n");
> +		err = -ENOMEM;
>  		goto err_epc_mem_exit;
>  	}
>  
> -- 
> 2.45.2
> 

Reviewed-by: Niklas Cassel <cassel at kernel.org>