On Tue, Jun 28, 2022 at 08:30:52AM +0800, Ian Kent wrote: > Parsing an fs string that has zero length should result in the parameter > being set to NULL so that downstream processing handles it correctly. > For example, the proc mount table processing should print "(none)" in > this case to preserve mount record field count, but if the value points > to the NULL string this doesn't happen. Hmmm... And what happens if you feed that to ->parse_param(), which calls fs_parse(), which decides that param->key looks like a name of e.g. u32 option and calls fs_param_is_u32() to see what's what? OOPS is a form of rejection, I suppose, but...
