copy: return the right error when we can't open a file

diff --git a/src/basic/copy.c b/src/basic/copy.c
index 397a947663236a7a091f42113fd05f26d7d433a6..24e03a7052f149dae5738102d43b502985722c09 100644 (file)
--- a/src/basic/copy.c
+++ b/src/basic/copy.c
@@ -267,6 +267,8 @@ static int fd_copy_directory(
                 fdf = openat(df, from, O_RDONLY|O_DIRECTORY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW);
         else
                 fdf = fcntl(df, F_DUPFD_CLOEXEC, 3);
+        if (fdf < 0)
+                return -errno;
 
         d = fdopendir(fdf);
         if (!d)