[PULL 12/19] tests/plugin: prevent uninitialized warning

[Alex Bennée]

From: Chen Qun <address@hidden>

According to the glibc function requirements, we need initialise
 the variable. Otherwise there will be compilation warnings:

glib-autocleanups.h:28:3: warning: ‘out’ may be
used uninitialized in this function [-Wmaybe-uninitialized]
   g_free (*pp);
   ^~~~~~~~~~~~

Reported-by: Euler Robot <address@hidden>
Signed-off-by: Chen Qun <address@hidden>
Reviewed-by: Thomas Huth <address@hidden>
Message-Id: <address@hidden>
[AJB: uses Thomas's single line allocation]
Signed-off-by: Alex Bennée <address@hidden>
Reviewed-by: Richard Henderson <address@hidden>
Message-Id: <address@hidden>

diff --git a/tests/plugin/bb.c b/tests/plugin/bb.c
index f30bea08dcc..df19fd359df 100644
--- a/tests/plugin/bb.c
+++ b/tests/plugin/bb.c
@@ -22,9 +22,9 @@ static bool do_inline;
 
 static void plugin_exit(qemu_plugin_id_t id, void *p)
 {
-    g_autofree gchar *out;
-    out = g_strdup_printf("bb's: %" PRIu64", insns: %" PRIu64 "\n",
-                          bb_count, insn_count);
+    g_autofree gchar *out = g_strdup_printf(
+        "bb's: %" PRIu64", insns: %" PRIu64 "\n",
+        bb_count, insn_count);
     qemu_plugin_outs(out);
 }
 
diff --git a/tests/plugin/insn.c b/tests/plugin/insn.c
index 0a8f5a0000e..a9a6e412373 100644
--- a/tests/plugin/insn.c
+++ b/tests/plugin/insn.c
@@ -44,8 +44,7 @@ static void vcpu_tb_trans(qemu_plugin_id_t id, struct 
qemu_plugin_tb *tb)
 
 static void plugin_exit(qemu_plugin_id_t id, void *p)
 {
-    g_autofree gchar *out;
-    out = g_strdup_printf("insns: %" PRIu64 "\n", insn_count);
+    g_autofree gchar *out = g_strdup_printf("insns: %" PRIu64 "\n", 
insn_count);
     qemu_plugin_outs(out);
 }
 
-- 
2.20.1