SANDBOX_PHY_REG_CNT is not an allowable index for the array
u16 reg[SANDBOX_PHY_REG_CNT].
Identified by cppcheck.
Fixes: b47edf8069cc ("test: dm_mdio: add a 2nd register to the emulated PHY")
Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
---
drivers/net/mdio_sandbox.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/mdio_sandbox.c b/drivers/net/mdio_sandbox.c
index df053f5381..8b2a11036f 100644
--- a/drivers/net/mdio_sandbox.c
+++ b/drivers/net/mdio_sandbox.c
@@ -27,7 +27,7 @@ static int mdio_sandbox_read(struct udevice *dev, int addr,
int devad, int reg)
return -ENODEV;
if (devad != MDIO_DEVAD_NONE)
return -ENODEV;
- if (reg < 0 || reg > SANDBOX_PHY_REG_CNT)
+ if (reg < 0 || reg >= SANDBOX_PHY_REG_CNT)
return -ENODEV;
return priv->reg[reg];
--
2.20.1
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