From: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Date: Fri, 19 Aug 2005 21:42:16 +0000 (+0100)
Subject: [PATCH] jffs2: fix symlink error handling
X-Git-Tag: v2.6.13-rc7~59^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2fb1e3086df9b454538491fba8121298da37cd23;p=pandora-kernel.git

[PATCH] jffs2: fix symlink error handling

The current calling conventions for ->follow_link() are already fairly
complex.

What we have is
	1) you can return -error; then you must release nameidata yourself
	   and ->put_link() will _not_ be called.
	2) you can do nd_set_link(nd, ERR_PTR(-error)) and return 0
	3) you can do nd_set_link(nd, path) and return 0
	4) you can return 0 (after having moved nameidata yourself)

jffs2 follow_link() is broken - it has an exit where it returns
-EIO and leaks nameidata.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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