The call invalidate_directory() between opendir() and warning_errno() in
theory could make some system calls and change errno. Prevent that by
warning immediately after opendir().

Signed-off-by: Nguyễn Thái Ngọc Duy <[email protected]>
---
 This is on top of nd/fix-untracked-cache-invalidation which is now on
 'next'. Sorry I waited too long to send the replacement and it's now
 too late.

 dir.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/dir.c b/dir.c
index dd1e50c328..55736d3e2a 100644
--- a/dir.c
+++ b/dir.c
@@ -1795,14 +1795,14 @@ static int open_cached_dir(struct cached_dir *cdir,
                return 0;
        c_path = path->len ? path->buf : ".";
        cdir->fdir = opendir(c_path);
+       if (!cdir->fdir)
+               warning_errno(_("could not open directory '%s'"), c_path);
        if (dir->untracked) {
                invalidate_directory(dir->untracked, untracked);
                dir->untracked->dir_opened++;
        }
-       if (!cdir->fdir) {
-               warning_errno(_("could not open directory '%s'"), c_path);
+       if (!cdir->fdir)
                return -1;
-       }
        return 0;
 }
 
-- 
2.15.1.600.g899a5f85c6

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