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-rw-r--r--hw/sensor/tmp421.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/sensor/tmp421.c b/hw/sensor/tmp421.c
index 007f7cd018..263bfa1bbd 100644
--- a/hw/sensor/tmp421.c
+++ b/hw/sensor/tmp421.c
@@ -337,7 +337,7 @@ static void tmp421_realize(DeviceState *dev, Error **errp)
     tmp421_reset(&s->i2c);
 }
 
-static void tmp421_class_init(ObjectClass *klass, void *data)
+static void tmp421_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);