From: Alasdair G Kergon <agk@redhat.com>
Date: Tue, 2 Aug 2011 11:32:03 +0000 (+0100)
Subject: dm ioctl: prevent empty message
X-Git-Tag: v3.1-rc1~85^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2ca4c92f58f9386e080b26f9ccd78c9ca5825a42;p=pandora-kernel.git

dm ioctl: prevent empty message

Detect invalid empty messages in core dm instead of requiring every target to
check this.

Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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