Re: [PATCH v2] PCI: dwc: Fix setting error return on MSI DMA mapping failure

[Rob Herring]

On Wed, Mar 09, 2022 at 08:01:04PM +0800, Jiantao Zhang wrote:
> When dma_mapping_error() returns error because of no enough memory,
> but dw_pcie_host_init() returns success, which will mislead the callers.
> 
> Fixes: 07940c369a6b ("PCI: dwc: Fix MSI page leakage in suspend/resume")
> Signed-off-by: Jianrong Zhang <zhangjianrong5@xxxxxxxxxx>
> Signed-off-by: Jiantao Zhang <water.zhangjiantao@xxxxxxxxxx>
> ---
>   drivers/pci/controller/dwc/pcie-designware-host.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>