From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Tue, 6 May 2014 11:28:32 +0000 (+0300)
Subject: drbd: silence underflow warning in read_in_block()
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~74^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bf0d6e4a1138e71cafdbbb99cde430eee50c4ff1;p=pandora-kernel.git

drbd: silence underflow warning in read_in_block()

My static checker warns that "data_size" could be negative and underflow
the limit check.  The code looks suspicious but I don't know if it is a
real bug.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
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