From: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Date: Wed, 16 Jun 2010 18:51:56 +0000 (-0500)
Subject: [SCSI] hpsa: sanitize max commands
X-Git-Tag: v2.6.36-rc1~570^2~187
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cba3d38b6cf85bd91b7c6f65f43863d1fd19259c;p=pandora-kernel.git

[SCSI] hpsa: sanitize max commands

Some controllers might try to tell us they support 0 commands
in performant mode.  This is a lie told by buggy firmware.
We have to be wary of this lest we try to allocate a negative
number of command blocks, which will be treated as unsigned,
and get an out of memory condition.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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