From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Tue, 9 Nov 2010 13:12:10 +0000 (+0100)
Subject: drbd: fix potential wrap of 32bit oos:%lu display in /proc/drbd
X-Git-Tag: v2.6.39-rc1~37^2~112
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=18edc0b9d7dac2f74117a0bdb98f2e705eb74d82;p=pandora-kernel.git

drbd: fix potential wrap of 32bit oos:%lu display in /proc/drbd

When converting bits (4k resolution, still) to kB, we shift left.  If it
was a large number of bits on a 32bit box (>= 4 TiB storage), we may
wrap the 32bit unsigned long base type, resulting in incorrect display.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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