> Subject: [PATCH net v1] net: rtw88: fix an issue about leak system resources
>
> the related system resources were not released when pci_iomap() return
> error in the rtw_pci_io_mapping() function. add pci_release_regions() to
> fix it.
>
> Fixes: e3037485c68ec1a ("rtw88: new Realtek 802.11ac driver")
> Cc: Andy Shevchenko <andy.shevche...@gmail.com>
> Signed-off-by: Dejin Zheng <zhengdej...@gmail.com>
Acked-by: Yan-Hsuan Chuang <yhchu...@realtek.com>
> ---
> drivers/net/wireless/realtek/rtw88/pci.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/net/wireless/realtek/rtw88/pci.c
> b/drivers/net/wireless/realtek/rtw88/pci.c
> index 695c2c0d64b0..a9752c34c9d8 100644
> --- a/drivers/net/wireless/realtek/rtw88/pci.c
> +++ b/drivers/net/wireless/realtek/rtw88/pci.c
> @@ -1102,6 +1102,7 @@ static int rtw_pci_io_mapping(struct rtw_dev
> *rtwdev,
> len = pci_resource_len(pdev, bar_id);
> rtwpci->mmap = pci_iomap(pdev, bar_id, len);
> if (!rtwpci->mmap) {
> + pci_release_regions(pdev);
> rtw_err(rtwdev, "failed to map pci memory\n");
> return -ENOMEM;
> }
> --
> 2.25.0
