[PATCH-for-9.0? 2/2] hw/misc/applesmc: Fix memory leak in reset() handler

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

AppleSMCData is allocated with g_new0() in applesmc_add_key():
release it with g_free().

Leaked since commit 1ddda5cd36 ("AppleSMC device emulation").

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2272
Reported-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/misc/applesmc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/misc/applesmc.c b/hw/misc/applesmc.c
index 8e65816da6..14e3ef667d 100644
--- a/hw/misc/applesmc.c
+++ b/hw/misc/applesmc.c
@@ -274,6 +274,7 @@ static void qdev_applesmc_isa_reset(DeviceState *dev)
     /* Remove existing entries */
     QLIST_FOREACH_SAFE(d, &s->data_def, node, next) {
         QLIST_REMOVE(d, node);
+        g_free(d);
     }
     s->status = 0x00;
     s->status_1e = 0x00;
-- 
2.41.0