[PATCH] mvebu : pcie: dt: potential issue in range parsing
Jean-Jacques Hiblot
jjhiblot at traphandler.com
Fri Jan 10 05:23:51 EST 2014
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 <jjhiblot at traphandler.com>
---
drivers/pci/host/pci-mvebu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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
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