Don't signal an error when saving files on WdebDAV volumes

* src/w32.c (acl_get_file): If get_file_security raises the
ERROR_ACCESS_DENIED error, treat that like unsupported ACLs.

1 files changed, 7 insertions, 2 deletions

diff --git a/src/w32.c b/src/w32.c
index 78e75f0937e..6fed5ba8d3d 100644
--- a/src/w32.c
+++ b/src/w32.c
@@ -6399,7 +6399,8 @@ acl_get_file (const char *fname, acl_type_t type)
                 {
                   xfree (psd);
                   err = GetLastError ();
-                  if (err == ERROR_NOT_SUPPORTED)
+                  if (err == ERROR_NOT_SUPPORTED
+                      || err == ERROR_ACCESS_DENIED)
                     errno = ENOTSUP;
                   else if (err == ERROR_FILE_NOT_FOUND
                            || err == ERROR_PATH_NOT_FOUND
@@ -6417,7 +6418,11 @@ acl_get_file (const char *fname, acl_type_t type)
                       be encoded in the current ANSI codepage. */
                    || err == ERROR_INVALID_NAME)
             errno = ENOENT;
-          else if (err == ERROR_NOT_SUPPORTED)
+          else if (err == ERROR_NOT_SUPPORTED
+                   /* ERROR_ACCESS_DENIED is what we get for a volume
+                      mounted by WebDAV, which evidently doesn't
+                      support ACLs.  */
+                   || err == ERROR_ACCESS_DENIED)
             errno = ENOTSUP;
           else
             errno = EIO;