Messages in this thread | | | Subject | Re: [PATCH] usb: host: iounmap before return | From | Lu Baolu <> | Date | Mon, 7 Dec 2015 17:30:54 +0800 |
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On 12/06/2015 09:47 PM, Geyslan G. Bem 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@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 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?
> } > > if (!ext_cap_offset) > @@ -1062,6 +1062,7 @@ hc_init: > XHCI_MAX_HALT_USEC, val); > } > > +out: > iounmap(base); > } >
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