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usb: host: pci_quirks: fix memory leak, by adding iounmap 

Added iounmap inorder to free memory mapped to pointer before returning

Signed-off-by: Saurabh Sengar <saurabh.truth@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Saurabh Sengar 2016-02-11 15:12:06 +05:30 committed by Greg Kroah-Hartman
parent f7d34b445a
commit acc27b6aad
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/host/pci-quirks.c
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@ -992,7 +992,7 @@ static void quirk_usb_handoff_xhci(struct pci_dev *pdev)
if ((ext_cap_offset + sizeof(val)) > len) {
/* We're reading garbage from the controller */
dev_warn(&pdev->dev, "xHCI controller failing to respond");
return;
goto iounmap;
}
val = readl(base + ext_cap_offset);
@ -1055,6 +1055,7 @@ static void quirk_usb_handoff_xhci(struct pci_dev *pdev)
XHCI_MAX_HALT_USEC, val);
}
iounmap:
iounmap(base);
}