[PULL,06/12] hw/cxl: Fix memory leak in error paths

Commit Message

Michael S. Tsirkin Aug. 17, 2022, 8:06 p.m. UTC

From: Jonathan Cameron <[e-mail]>

Use g_autofree to free the CXLFixedWindow structure if an
error occurs in configuration before we have added to
the list (via g_steal_pointer())

Fix Coverity CID: 1488872

Reported-by: Peter Maydell <[e-mail]>
Signed-off-by: Jonathan Cameron <[e-mail]>
Message-Id: <[e-mail]>
Reviewed-by: Michael S. Tsirkin <[e-mail]>
Signed-off-by: Michael S. Tsirkin <[e-mail]>
---
 hw/cxl/cxl-host.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Patch

diff --git a/hw/cxl/cxl-host.c b/hw/cxl/cxl-host.c
index 483d8eb13f..faa68ef038 100644
--- a/hw/cxl/cxl-host.c
+++ b/hw/cxl/cxl-host.c
@@ -26,7 +26,7 @@  static void cxl_fixed_memory_window_config(CXLState *cxl_state,
                                            CXLFixedMemoryWindowOptions *object,
                                            Error **errp)
 {
-    CXLFixedWindow *fw = g_malloc0(sizeof(*fw));
+    g_autofree CXLFixedWindow *fw = g_malloc0(sizeof(*fw));
     strList *target;
     int i;
 
@@ -64,7 +64,8 @@  static void cxl_fixed_memory_window_config(CXLState *cxl_state,
         fw->enc_int_gran = 0;
     }
 
-    cxl_state->fixed_windows = g_list_append(cxl_state->fixed_windows, fw);
+    cxl_state->fixed_windows = g_list_append(cxl_state->fixed_windows,
+                                             g_steal_pointer(&fw));
 
     return;
 }