qdict: Add qdict_put_null() helper, and put it to use

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20170825105913.4060-2-marcandre.lureau@redhat.com>
[Update to qobject.cocci squashed in, commit message tweaked]
Signed-off-by: Markus Armbruster <armbru@redhat.com>

diff --git a/include/qapi/qmp/qdict.h b/include/qapi/qmp/qdict.h
index 363e43110638bc15fa969d78d99228a56a7cd1b3..6588c7f0c865bc9bcba752273fb9ef9535fd2a74 100644 (file)
--- a/include/qapi/qmp/qdict.h
+++ b/include/qapi/qmp/qdict.h
@@ -53,13 +53,15 @@ void qdict_destroy_obj(QObject *obj);
 #define qdict_put(qdict, key, obj) \
         qdict_put_obj(qdict, key, QOBJECT(obj))
 
-/* Helpers for int, bool, and string */
+/* Helpers for int, bool, null, and string */
 #define qdict_put_int(qdict, key, value) \
         qdict_put(qdict, key, qnum_from_int(value))
 #define qdict_put_bool(qdict, key, value) \
         qdict_put(qdict, key, qbool_from_bool(value))
 #define qdict_put_str(qdict, key, value) \
         qdict_put(qdict, key, qstring_from_str(value))
+#define qdict_put_null(qdict, key) \
+        qdict_put(qdict, key, qnull())
 
 /* High level helpers */
 double qdict_get_double(const QDict *qdict, const char *key);

diff --git a/scripts/coccinelle/qobject.cocci b/scripts/coccinelle/qobject.cocci
index c518caf7b1ca37a75c71346e3b3154756ac66d6a..1120eb1a42ced8a958988fc491bc0fb5d7ba4e8b 100644 (file)
--- a/scripts/coccinelle/qobject.cocci
+++ b/scripts/coccinelle/qobject.cocci
@@ -20,6 +20,9 @@ expression Obj, Key, E;
 |
 - qdict_put(Obj, Key, qstring_from_str(E));
 + qdict_put_str(Obj, Key, E);
+|
+- qdict_put(Obj, Key, qnull());
++ qdict_put_null(Obj, Key);
 )
 
 // Use QList macros where they make sense

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index ddc45abd70a397382f55b39b5d9487bc50b3dc9e..bec2009a9caf464223bfd637b0027df9004cc55f 100644 (file)
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -2454,7 +2454,7 @@ static QDict *x86_cpu_static_props(void)
 
     d = qdict_new();
     for (i = 0; props[i]; i++) {
-        qdict_put(d, props[i], qnull());
+        qdict_put_null(d, props[i]);
     }
 
     for (w = 0; w < FEATURE_WORDS; w++) {
@@ -2464,7 +2464,7 @@ static QDict *x86_cpu_static_props(void)
             if (!fi->feat_names[bit]) {
                 continue;
             }
-            qdict_put(d, fi->feat_names[bit], qnull());
+            qdict_put_null(d, fi->feat_names[bit]);
         }
     }