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rtw88: fix an issue about leak system resources

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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: e3037485c6 ("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
This commit is contained in:
Dejin Zheng 2020-05-04 16:34:42 +08:00 committed by Kalle Valo
parent 1757940430
commit 191f6b08bf
1 changed files with 1 additions and 0 deletions
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1
drivers/net/wireless/realtek/rtw88/pci.c
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@ -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;
}