From f0fd1787a0db7b23ec859e50af3b66d9e8cc8c56 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Mon, 7 Feb 2022 11:22:53 +0300 Subject: [PATCH 5/6] net: dsa: mv88e6xxx: Fix off by in one in mv88e6185_phylink_get_caps() The <= ARRAY_SIZE() needs to be < ARRAY_SIZE() to prevent an out of bounds error. Fixes: d4ebf12bcec4 ("net: dsa: mv88e6xxx: populate supported_interfaces and mac_capabilities") Signed-off-by: Dan Carpenter Reviewed-by: Russell King (Oracle) Signed-off-by: David S. Miller --- drivers/net/dsa/mv88e6xxx/chip.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 7172b3e2e323..5bac1d54325e 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -578,7 +578,7 @@ static void mv88e6185_phylink_get_caps(struct mv88e6xxx_chip *chip, int port, { u8 cmode = chip->ports[port].cmode; - if (cmode <= ARRAY_SIZE(mv88e6185_phy_interface_modes) && + if (cmode < ARRAY_SIZE(mv88e6185_phy_interface_modes) && mv88e6185_phy_interface_modes[cmode]) __set_bit(mv88e6185_phy_interface_modes[cmode], config->supported_interfaces); -- 2.35.1