don't dereference memory that has been freed (issue #6405)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@10139 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/file.c b/file.c
index 766c32a..d150c90 100644 (file)
--- a/file.c
+++ b/file.c
@@ -720,11 +720,11 @@ int ast_closestream(struct ast_filestream *f)
                free(f->realfilename);
                f->realfilename = NULL;
        }
-       f->fmt->close(f);
        if (f->vfs) {
                ast_closestream(f->vfs);
                f->vfs = NULL;
        }
+       f->fmt->close(f);
        return 0;
 }