[PATCH v3 19/32] target/xtensa: Improve xtensa_cpu_class_by_name()

[Gavin Shan]

Improve xtensa_cpu_class_by_name() by merging the condition of
'@oc == NULL' to object_class_dynamic_cast().

Signed-off-by: Gavin Shan <gshan@redhat.com>
---
 target/xtensa/cpu.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/target/xtensa/cpu.c b/target/xtensa/cpu.c
index acaf8c905f..9d682611aa 100644
--- a/target/xtensa/cpu.c
+++ b/target/xtensa/cpu.c
@@ -141,11 +141,12 @@ static ObjectClass *xtensa_cpu_class_by_name(const char 
*cpu_model)
     typename = g_strdup_printf(XTENSA_CPU_TYPE_NAME("%s"), cpu_model);
     oc = object_class_by_name(typename);
     g_free(typename);
-    if (oc == NULL || !object_class_dynamic_cast(oc, TYPE_XTENSA_CPU) ||
-        object_class_is_abstract(oc)) {
-        return NULL;
+    if (object_class_dynamic_cast(oc, TYPE_XTENSA_CPU) &&
+        !object_class_is_abstract(oc)) {
+        return oc;
     }
-    return oc;
+
+    return NULL;
 }
 
 static void xtensa_cpu_disas_set_info(CPUState *cs, disassemble_info *info)
-- 
2.41.0