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[SCSI] hpsa: sanitize max commands
authorStephen M. Cameron <scameron@beardog.cce.hp.com>
Wed, 16 Jun 2010 18:51:56 +0000 (13:51 -0500)
committerJames Bottomley <James.Bottomley@suse.de>
Tue, 27 Jul 2010 17:02:03 +0000 (12:02 -0500)
commitcba3d38b6cf85bd91b7c6f65f43863d1fd19259c
treecac41bceaf3c5a60795f602b55e64ab7173d244dtree | snapshot (tar.gz zip)
parent10f66018088fd0c9fe81b1e328e3264c7b10caa5commit | diff
[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>
drivers/scsi/hpsa.c diff | blob | blame | history