[PATCH] usb: host: pci_quirks: fix memory leak, by adding iounmap

From: Saurabh Sengar
Date: Thu Feb 11 2016 - 04:44:39 EST


Added iounmap inorder to free memory mapped to pointer before returning

Signed-off-by: Saurabh Sengar <saurabh.truth@xxxxxxxxx>
---
drivers/usb/host/pci-quirks.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index 26cb8c8..35af362 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -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 @@ hc_init:
XHCI_MAX_HALT_USEC, val);
}

+iounmap:
iounmap(base);
}

--
1.9.1