linux-kernel - Re: init_module.2 man page ERRORS text for signed modules

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Date:	Sun, 6 Jan 2013 21:20:47 +0100
From:	"Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
To:	David Howells <dhowells@...hat.com>,
	Rusty Russell <rusty@...tcorp.com.au>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	Michael Kerrisk <mtk.manpages@...il.com>
Subject: Re: init_module.2 man page ERRORS text for signed modules

[Just after sending, I noticed an error in the text for those errors.
I've amended and am resending]

Hi David, Rusty,

Linux 3.7 added signed modules. As a consequence, init_module()
acquired some new possible error returns. I've put together the text
below to describe the new errors. Does the text look okay?

Thanks,

Michael

.TP
.BR EBADMSG " (since Linux 3.7)"
Module signature is misformatted.
.TP
.BR ENOKEY " (since Linux 3.7)"
.\" commit 48ba2462ace6072741fd8d0058207d630ce93bf1
.\" commit 1d0059f3a468825b5fc5405c636a2f6e02707ffa
.\" commit 106a4ee258d14818467829bf0e12aeae14c16cd7
Module signature is invalid or the kernel does not have a key for this module.
This error is returned only if the kernel was configured with
.BR CONFIG_MODULE_SIG_FORCE ;
if the kernel was not configured with this option,
then an invalid or usigned module simply taints the kernel.
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