From: Dejin Zheng <zhengdejin5@xxxxxxxxx> [ Upstream commit 191f6b08bfef24e1a9641eaac96ed030a7be4599 ] 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.shevchenko@xxxxxxxxx> Signed-off-by: Dejin Zheng <zhengdejin5@xxxxxxxxx> Acked-by: Yan-Hsuan Chuang <yhchuang@xxxxxxxxxxx> Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20200504083442.3033-1-zhengdejin5@xxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- 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 1af87eb2e53a..d735f3127fe8 100644 --- a/drivers/net/wireless/realtek/rtw88/pci.c +++ b/drivers/net/wireless/realtek/rtw88/pci.c @@ -1091,6 +1091,7 @@ 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; } -- 2.25.1