From mboxrd@z Thu Jan 1 00:00:00 1970 From: jason@lakedaemon.net (Jason Cooper) Date: Tue, 4 Feb 2014 23:05:02 -0500 Subject: [PATCH] mvebu : pcie: dt: potential issue in range parsing In-Reply-To: <1389349431-7997-1-git-send-email-jjhiblot@traphandler.com> References: <1389349431-7997-1-git-send-email-jjhiblot@traphandler.com> Message-ID: <20140205040502.GM8533@titan.lakedaemon.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Jean-Jacques, On Fri, Jan 10, 2014 at 11:23:51AM +0100, Jean-Jacques Hiblot wrote: > The second parameter of of_read_number is not the index, but a size. > As it happens, in this case it may work just fine because of the the conversion > to u32 and the favorable endianness on this architecture. > > Signed-off-by: Jean-Jacques Hiblot > --- > drivers/pci/host/pci-mvebu.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Sorry for the unusually long delay. I was waiting for Thomas to get back from vacation since he is intimately familiar with this driver. Thomas? thx, Jason. > diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c > index c269e43..877e8ce 100644 > --- a/drivers/pci/host/pci-mvebu.c > +++ b/drivers/pci/host/pci-mvebu.c > @@ -768,7 +768,7 @@ static int mvebu_get_tgt_attr(struct device_node *np, int devfn, > > for (i = 0; i < nranges; i++) { > u32 flags = of_read_number(range, 1); > - u32 slot = of_read_number(range, 2); > + u32 slot = of_read_number(range + 1, 1); > u64 cpuaddr = of_read_number(range + na, pna); > unsigned long rtype; > > -- > 1.8.5.2 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel