linux-kernel - Re: [PATCH] ncpfs: fix rmdir returns Device or resource busy

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20130615052631.GP4165@ZenIV.linux.org.uk>
Date:	Sat, 15 Jun 2013 06:26:31 +0100
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Dave Chiluk <chiluk@...onical.com>
Cc:	Petr Vandrovec <petr@...drovec.name>, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH] ncpfs: fix rmdir returns Device or resource busy

On Sat, Jun 15, 2013 at 06:09:39AM +0100, Al Viro wrote:

> BTW, in ncp_fill_cache() we have a provably pointless
>                 if (!ino)
>                         ino = find_inode_number(dentry, &qname);
> Check it out - any path that can lead there with ino == 0 will *not*
> have a positive dentry with such name, so this find_inode_number()
> call is just "waste some time and return 0".  Cargo-cult, plain and
> simple...

Incidentally, the only other caller of find_inode_number() is equally
pointless, so I'm very inclined to kill the damn function off.  Sure,
it's exported.  And I'm fairly sure that its out-of-tree users are
just as fishy (as in Innsmouth)...
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/