remove: without -f, avoid unnecessary-expense/issues with euidaccess

* src/remove.c (write_protected_non_symlink): If faccessat fails,
return 1 or -1 directly, rather than falling back on euidaccess*.

1 files changed, 7 insertions, 3 deletions

diff --git a/src/remove.c b/src/remove.c
index b6cfc8e99..d0b2dae2f 100644
--- a/src/remove.c
+++ b/src/remove.c
@@ -171,9 +171,13 @@ write_protected_non_symlink (int fd_cwd,
   {
     /* This implements #1: on decent systems, either faccessat is
        native or /proc/self/fd allows us to skip a chdir.  */
-    if (!openat_needs_fchdir ()
-        && faccessat (fd_cwd, file, W_OK, AT_EACCESS) == 0)
-      return 0;
+    if (!openat_needs_fchdir ())
+      {
+        if (faccessat (fd_cwd, file, W_OK, AT_EACCESS) == 0)
+          return 0;
+
+        return errno == EACCES ? 1 : -1;
+      }
 
     /* This implements #5: */
     size_t file_name_len = strlen (full_name);