Alex Henrie : winex11: Fix memory leak on realloc failure in import_xdnd_selection (cppcheck).

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 4aac4e7c67ace84ca3bd732cb292eca54502ddb4
URL:    https://gitlab.winehq.org/wine/wine/-/commit/4aac4e7c67ace84ca3bd732cb292eca...

Author: Alex Henrie 
Date:   Mon Nov 28 22:22:45 2022 -0700

winex11: Fix memory leak on realloc failure in import_xdnd_selection (cppcheck).

---

dlls/winex11.drv/clipboard.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/dlls/winex11.drv/clipboard.c b/dlls/winex11.drv/clipboard.c
index e91368d69e7..959b59825e1 100644
--- a/dlls/winex11.drv/clipboard.c
+++ b/dlls/winex11.drv/clipboard.c
@@ -1285,7 +1285,7 @@ struct format_entry *import_xdnd_selection( Display *display, Window win, Atom s
     UINT i;
     void *data;
     struct clipboard_format *format;
-    struct format_entry *ret = NULL, *entry;
+    struct format_entry *ret = NULL, *tmp, *entry;
     BOOL have_hdrop = FALSE;

register_x11_formats( targets, count );
@@ -1310,7 +1310,8 @@ struct format_entry *import_xdnd_selection( Display *display, Window win, Atom s
         entry_size = (FIELD_OFFSET( struct format_entry, data[size] ) + 7) & ~7;
         if (buf_size < size + entry_size)
         {
-            if (!(ret = realloc( ret, *ret_size + entry_size + 1024 ))) continue;
+            if (!(tmp = realloc( ret, *ret_size + entry_size + 1024 ))) continue;
+            ret = tmp;
             buf_size = *ret_size + entry_size + 1024; /* extra space for following entries */
         }
         entry = (struct format_entry *)((char *)ret + *ret_size);