tree-wide: apply equals-null.cocci

Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/worktree.c b/worktree.c
index 092a4f9..ac099fa 100644
--- a/worktree.c
+++ b/worktree.c
@@ -486,7 +486,7 @@ int submodule_uses_worktrees(const char *path)
 		return 0;
 
 	d = readdir_skip_dot_and_dotdot(dir);
-	if (d != NULL)
+	if (d)
 		ret = 1;
 	closedir(dir);
 	return ret;