From: Rusty Russell <rusty@rustcorp.com.au>
Date: Fri, 9 May 2008 06:25:28 +0000 (+1000)
Subject: module: don't ignore vermagic string if module doesn't have modversions
X-Git-Tag: v2.6.26-rc2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=91e37a793b5a9436a2d12b2f0a8f52db3a133e1d;p=pandora-kernel.git

module: don't ignore vermagic string if module doesn't have modversions

Linus found a logic bug: we ignore the version number in a module's
vermagic string if we have CONFIG_MODVERSIONS set, but modversions
also lets through a module with no __versions section for modprobe
--force (with tainting, but still).

We should only ignore the start of the vermagic string if the module
actually *has* crcs to check.  Rather than (say) having an
entertaining hissy fit and creating a config option to work around the
buggy code.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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