The code inside riscv_cpu_add_user_properties() became quite repetitive
after recent changes. Add a helper to hide the repetition away.

Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
---
 target/riscv/cpu.c | 27 +++++++++++----------------
 1 file changed, 11 insertions(+), 16 deletions(-)

diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 520c5c9f96..a0c14d1a0c 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -1883,6 +1883,13 @@ static void cpu_set_cfg_unavailable(Object *obj, Visitor *v,
 }
 #endif
 
+static void riscv_cpu_add_qdev_prop_array(DeviceState *dev, Property *array)
+{
+    for (Property *prop = array; prop && prop->name; prop++) {
+        qdev_property_add_static(dev, prop);
+    }
+}
+
 #ifndef CONFIG_USER_ONLY
 static void riscv_cpu_add_kvm_unavail_prop(Object *obj, const char *prop_name)
 {
@@ -1939,7 +1946,6 @@ static void riscv_cpu_add_kvm_properties(Object *obj)
  */
 static void riscv_cpu_add_user_properties(Object *obj)
 {
-    Property *prop;
     DeviceState *dev = DEVICE(obj);
 
 #ifndef CONFIG_USER_ONLY
@@ -1953,21 +1959,10 @@ static void riscv_cpu_add_user_properties(Object *obj)
 
     riscv_cpu_add_misa_properties(obj);
 
-    for (prop = riscv_cpu_extensions; prop && prop->name; prop++) {
-        qdev_property_add_static(dev, prop);
-    }
-
-    for (prop = riscv_cpu_options; prop && prop->name; prop++) {
-        qdev_property_add_static(dev, prop);
-    }
-
-    for (prop = riscv_cpu_vendor_exts; prop && prop->name; prop++) {
-        qdev_property_add_static(dev, prop);
-    }
-
-    for (prop = riscv_cpu_experimental_exts; prop && prop->name; prop++) {
-        qdev_property_add_static(dev, prop);
-    }
+    riscv_cpu_add_qdev_prop_array(dev, riscv_cpu_extensions);
+    riscv_cpu_add_qdev_prop_array(dev, riscv_cpu_options);
+    riscv_cpu_add_qdev_prop_array(dev, riscv_cpu_vendor_exts);
+    riscv_cpu_add_qdev_prop_array(dev, riscv_cpu_experimental_exts);
 }
 
 static Property riscv_cpu_properties[] = {
-- 
2.41.0