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[PATCH v2] usb: host: iounmap before return

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  [PATCH v2] usb: host: iounmap before return "Geyslan G. Bem" <geyslan@gmail.com> - 2015-12-08 00:30 +0100

#1286099 — [PATCH v2] usb: host: iounmap before return

This patch fixes a 'quirk_usb_handoff_xhci()' branch return that
was not unmapping correctly.

Coccinelle: scripts/coccinelle/free/iounmap.cocci

Signed-off-by: Geyslan G. Bem <geyslan@gmail.com>
---
 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..ee4426b 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 out;
 	}
 	val = readl(base + ext_cap_offset);
 
@@ -1055,6 +1055,7 @@ hc_init:
 			 XHCI_MAX_HALT_USEC, val);
 	}
 
+ out:
 	iounmap(base);
 }
 
-- 
2.6.3

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