[PATCH net v1] net: rtw88: fix an issue about leak system resources

[Dejin Zheng]

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>
---
 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