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Fix possible out of bounds access when initializing Aura RAM addresses

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This commit is contained in:
Adam Honse
2020-03-01 21:50:08 -06:00
parent 1b170ff664
commit b5af840dcc
1 changed files with 7 additions and 3 deletions
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10
Controllers/AuraController/AuraControllerDetect.cpp
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@@ -149,9 +149,10 @@ void DetectAuraControllers(std::vector<i2c_smbus_interface*> &busses, std::vecto
do
{
address_list_idx++;
if(address_list_idx < AURA_RAM_ADDRESS_COUNT)
{
address_list_idx++;
res = busses[bus]->i2c_smbus_write_quick(aura_ram_addresses[address_list_idx], I2C_SMBUS_WRITE);
}
else
@@ -160,8 +161,11 @@ void DetectAuraControllers(std::vector<i2c_smbus_interface*> &busses, std::vecto
}
} while (res >= 0);
AuraRegisterWrite(busses[bus], 0x77, AURA_REG_SLOT_INDEX, slot);
AuraRegisterWrite(busses[bus], 0x77, AURA_REG_I2C_ADDRESS, (aura_ram_addresses[address_list_idx] << 1));
if(address_list_idx < AURA_RAM_ADDRESS_COUNT)
{
AuraRegisterWrite(busses[bus], 0x77, AURA_REG_SLOT_INDEX, slot);
AuraRegisterWrite(busses[bus], 0x77, AURA_REG_I2C_ADDRESS, (aura_ram_addresses[address_list_idx] << 1));
}
}
// Add Aura-enabled controllers at their remapped addresses