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authorJean-Jacques Hiblot <[email protected]>2014-02-14 11:46:15 -0700
committerBjorn Helgaas <[email protected]>2014-02-14 11:46:15 -0700
commit4f4bde1df33bde076f53325bdf2c6430cf85e1bb (patch)
tree3e0bbed5759513bbca96e605d3dbc4336efc0b41
parenta760d2fb2c700469f2578f980e30423bcba316ac (diff)
PCI: mvebu: Fix potential issue in range parsing
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 conversion to u32 and the favorable endianness on this architecture. Fixes: 11be65472a427 ("PCI: mvebu: Adapt to the new device tree layout") Tested-by: Thomas Petazzoni <[email protected]> Signed-off-by: Jean-Jacques Hiblot <[email protected]> Signed-off-by: Bjorn Helgaas <[email protected]> Acked-by: Thomas Petazzoni <[email protected]> Acked-by: Jason Cooper <[email protected]> Cc: [email protected] # v3.12+
-rw-r--r--drivers/pci/host/pci-mvebu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c
index 0e79665afd44..05e352889868 100644
--- a/drivers/pci/host/pci-mvebu.c
+++ b/drivers/pci/host/pci-mvebu.c
@@ -797,7 +797,7 @@ 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;