On Thu, 12 Jan 2012, Julia Lawall wrote: > From: Julia Lawall <Julia.Lawall@xxxxxxx> > > Add missing iounmap in error handling code, in a case where the function > already preforms iounmap on some other execution path. > > A simplified version of the semantic match that finds this problem is as > follows: (http://coccinelle.lip6.fr/) > > // <smpl> > @@ > expression e; > statement S,S1; > int ret; > @@ > e = \(ioremap\|ioremap_nocache\)(...) > ... when != iounmap(e) > if (<+...e...+>) S > ... when any > when != iounmap(e) > *if (...) > { ... when != iounmap(e) > return ...; } > ... when any > iounmap(e); > // </smpl> > > Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx> > > --- > drivers/usb/host/ehci-fsl.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c > index e90344a..b556a72 100644 > --- a/drivers/usb/host/ehci-fsl.c > +++ b/drivers/usb/host/ehci-fsl.c > @@ -125,7 +125,7 @@ static int usb_hcd_fsl_probe(const struct hc_driver *driver, > */ > if (pdata->init && pdata->init(pdev)) { > retval = -ENODEV; > - goto err3; > + goto err4; > } > > /* Enable USB controller, 83xx or 8536 */ Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
