# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1640872804 -3600
# Node ID 6aae8f25790a0a5a709c4daf5bf429b83d768a5a
# Parent  bf3405e535fb22c1f5e0d7ec2a988ab3ac59ceac
patch 8.2.3947: unnecessary check for NULL pointer

Commit: https://github.com/vim/vim/commit/f38aad85cf8e4e930c96cb843bc136949c8dbd29
Author: zeertzjq <zeertzjq@outlook.com>
Date:   Thu Dec 30 13:45:57 2021 +0000

    patch 8.2.3947: unnecessary check for NULL pointer

    Problem:    Unnecessary check for NULL pointer.
    Solution:   Remove the check. (closes https://github.com/vim/vim/issues/9434)

diff --git a/src/ex_docmd.c b/src/ex_docmd.c
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -7411,9 +7411,9 @@ changedir_func(
 # endif
 	new_dir = NameBuff;
     }
-    dir_differs = new_dir == NULL || pdir == NULL
+    dir_differs = pdir == NULL
 	|| pathcmp((char *)pdir, (char *)new_dir, -1) != 0;
-    if (new_dir == NULL || (dir_differs && vim_chdir(new_dir)))
+    if (dir_differs && vim_chdir(new_dir))
     {
 	emsg(_(e_failed));
 	vim_free(pdir);
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3947,
+/**/
     3946,
 /**/
     3945,