[gvdb/fix-scan-build-findings] Fix scan-build findings

[Jan-Michael Brummer <jbrummer src gnome org>]

commit 95507fe72cb55f1ee39359647936d86458deb6e4
Author: Jan-Michael Brummer <jan brummer tabos org>
Date:   Fri Jan 8 20:44:07 2021 +0100

    Fix scan-build findings

 gvdb-builder.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
---
diff --git a/gvdb-builder.c b/gvdb-builder.c
index 918ee43..cbd01c4 100644
--- a/gvdb-builder.c
+++ b/gvdb-builder.c
@@ -327,6 +327,8 @@ file_builder_allocate_for_hash (FileBuilder            *fb,
          n_items       * sizeof (struct gvdb_hash_item);
 
   data = file_builder_allocate (fb, 4, size, pointer);
+  if (!data)
+    return;
 
 #define chunk(s) (size -= (s), data += (s), data - (s))
   memcpy (chunk (sizeof bloom_hdr), &bloom_hdr, sizeof bloom_hdr);
@@ -355,7 +357,7 @@ file_builder_add_hash (FileBuilder         *fb,
                        GHashTable          *table,
                        struct gvdb_pointer *pointer)
 {
-  guint32_le *buckets, *bloom_filter;
+  guint32_le *buckets = NULL, *bloom_filter;
   struct gvdb_hash_item *items;
   HashTable *mytable;
   GvdbItem *item;
@@ -373,6 +375,9 @@ file_builder_add_hash (FileBuilder         *fb,
   file_builder_allocate_for_hash (fb, mytable->n_buckets, index, 5, 0,
                                   &bloom_filter, &buckets, &items, pointer);
 
+  if (!buckets)
+    return;
+
   index = 0;
   for (bucket = 0; bucket < mytable->n_buckets; bucket++)
     {