search: fix use after free

Found by: Coverity scan.
CID: 96715

diff --git a/grub-core/commands/search.c b/grub-core/commands/search.c
index 16143a34c83345d9e0b278f49f957d3a697a2b40..440303a4edc55ed4ec9dee7d4f4fa1fff9abfd9b 100644 (file)
--- a/grub-core/commands/search.c
+++ b/grub-core/commands/search.c
@@ -210,10 +210,10 @@ try (struct search_ctx *ctx)
       /* Cache entry was outdated. Remove it.  */
       if (!ctx->count)
        {
+         *prev = cache_ent->next;
          grub_free (cache_ent->key);
          grub_free (cache_ent->value);
          grub_free (cache_ent);
-         *prev = cache_ent->next;
        }
     }