Hello.
On 12/07/2015 12:30 PM, Lu Baolu wrote:
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@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 f940056..64150dd 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -990,7 +990,7 @@ static void quirk_usb_handoff_xhci(struct pci_dev *pdev)
/* We're reading garbage from the controller */
dev_warn(&pdev->dev,
"xHCI controller failing to respond");
- return;
+ goto out;
If "out" is only used here, why not iounmap and return directly here?
Why repeat the code? Nah, bad idea.
}
if (!ext_cap_offset)
@@ -1062,6 +1062,7 @@ hc_init:
XHCI_MAX_HALT_USEC, val);
}
+out:
iounmap(base);
}
MBR, Sergei
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