cd->sw_addr is used as a MDIO bus address, which cannot exceed
PHY_MAX_ADDR (32), our check was off-by-one.

Fixes: 5e95329b701c ("dsa: add device tree bindings to register DSA switches")
Signed-off-by: Florian Fainelli <f.faine...@gmail.com>
---
 net/dsa/dsa.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 52beeb8829dc..b445d492c115 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -630,7 +630,7 @@ static int dsa_of_probe(struct device *dev)
                        continue;
 
                cd->sw_addr = be32_to_cpup(sw_addr);
-               if (cd->sw_addr > PHY_MAX_ADDR)
+               if (cd->sw_addr >= PHY_MAX_ADDR)
                        continue;
 
                if (!of_property_read_u32(child, "eeprom-length", &eeprom_len))
-- 
2.1.4

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