From: Dejin Zheng zhengdejin5@gmail.com
[ 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@gmail.com Signed-off-by: Dejin Zheng zhengdejin5@gmail.com Acked-by: Yan-Hsuan Chuang yhchuang@realtek.com Signed-off-by: Kalle Valo kvalo@codeaurora.org Link: https://lore.kernel.org/r/20200504083442.3033-1-zhengdejin5@gmail.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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 77a2bdee50fa..4a43c4fa716d 100644 --- a/drivers/net/wireless/realtek/rtw88/pci.c +++ b/drivers/net/wireless/realtek/rtw88/pci.c @@ -974,6 +974,7 @@ 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; }