Le Saturday 04 July 2009 23:33:21 Julia Lawall, vous avez écrit : > From: Julia Lawall <julia@xxxxxxx> > > In this case, the calls to request_mem_region, ioremap, and > release_mem_region all have a consistent length argument, len, but since in > other files (res->end - res->start) + 1, equivalent to resource_size(res), > is used for a resource-typed structure res, one could consider whether the > same should be done here. Thanks for spotting this Julia. > > The problem was found using the following semantic patch: > (http://www.emn.fr/x-info/coccinelle/) > > // <smpl> > @@ > struct resource *res; > @@ > > - (res->end - res->start) + 1 > + resource_size(res) > > @@ > struct resource *res; > @@ > > - res->end - res->start > + BAD(resource_size(res)) > // </smpl> > > Signed-off-by: Julia Lawall <julia@xxxxxxx> Acked-by: Florian Fainelli <florian@xxxxxxxxxxx> > > --- > drivers/vlynq/vlynq.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff -u -p > a/drivers/vlynq/vlynq.c > b/drivers/vlynq/vlynq.c > --- a/drivers/vlynq/vlynq.c 2009-06-24 21:18:50.000000000 +0200 > +++ b/drivers/vlynq/vlynq.c 2009-07-04 21:37:28.000000000 +0200 > @@ -703,7 +703,7 @@ static int vlynq_probe(struct platform_d > dev->mem_start = mem_res->start; > dev->mem_end = mem_res->end; > > - len = regs_res->end - regs_res->start; > + len = resource_size(regs_res); > if (!request_mem_region(regs_res->start, len, dev_name(&dev->dev))) { > printk(KERN_ERR "%s: Can't request vlynq registers\n", > dev_name(&dev->dev)); > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- Best regards, Florian Fainelli Email : florian@xxxxxxxxxxx http://openwrt.org ------------------------------- -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
