Re: kernel BUG at fs/inode.c:LINE!

[Al Viro]

On Tue, Dec 18, 2018 at 06:42:35PM +0800, Ian Kent wrote:

> Sorry Al, that's my bad.
> 
> See https://www.ozlabs.org/~akpm/mmotm/broken-out/autofs-fix-possible-inode-leak-in-autofs_fill_super.patch
> 
> I think this will fix it, I'll forward it to Andrew if you agree:

Just drop it and be done with that.  d_make_root(NULL) returns NULL,
no need to check that in the caller.  There is no leak in the mainline;
the calling conventions for d_make_root() are chosen that way
just for that reason - to minimize the amount of cleanups needed.