[PATCH 2/7] tests/libqos/fw_cfg: Document mm_fw_cfg_init to drop mm_fw_cfg_uninit

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

Document mm_fw_cfg_init() return value must be released
with g_free(). mm_fw_cfg_uninit() was never used, remove it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 tests/libqos/fw_cfg.c |  5 -----
 tests/libqos/fw_cfg.h | 10 +++++++++-
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/tests/libqos/fw_cfg.c b/tests/libqos/fw_cfg.c
index 37c3f2cf4d..ddeec821db 100644
--- a/tests/libqos/fw_cfg.c
+++ b/tests/libqos/fw_cfg.c
@@ -126,11 +126,6 @@ QFWCFG *mm_fw_cfg_init(QTestState *qts, uint64_t base)
     return fw_cfg;
 }
 
-void mm_fw_cfg_uninit(QFWCFG *fw_cfg)
-{
-    g_free(fw_cfg);
-}
-
 static void io_fw_cfg_select(QFWCFG *fw_cfg, uint16_t key)
 {
     qtest_outw(fw_cfg->qts, fw_cfg->base, key);
diff --git a/tests/libqos/fw_cfg.h b/tests/libqos/fw_cfg.h
index 15604040bd..3247fd4000 100644
--- a/tests/libqos/fw_cfg.h
+++ b/tests/libqos/fw_cfg.h
@@ -34,8 +34,16 @@ uint64_t qfw_cfg_get_u64(QFWCFG *fw_cfg, uint16_t key);
 size_t qfw_cfg_get_file(QFWCFG *fw_cfg, const char *filename,
                         void *data, size_t buflen);
 
+/**
+ * mm_fw_cfg_init():
+ * @qts: The #QTestState that will be referred to by the QFWCFG object.
+ * @base: The MMIO base address of the fw_cfg device in the guest.
+ *
+ * Returns a newly allocated QFWCFG object which must be released
+ * with a call to g_free() when no longer required.
+ */
 QFWCFG *mm_fw_cfg_init(QTestState *qts, uint64_t base);
-void mm_fw_cfg_uninit(QFWCFG *fw_cfg);
+
 /**
  * io_fw_cfg_init():
  * @qts: The #QTestState that will be referred to by the QFWCFG object.
-- 
2.20.1