linux-kernel - Re: [PATCH] mpt3sas: fix possible NULL dereference

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Message-ID: <yq1mvovsiaa.fsf@sermon.lab.mkp.net>
Date:	Thu, 14 Apr 2016 22:43:57 -0400
From:	"Martin K. Petersen" <martin.petersen@...cle.com>
To:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Cc:	Sathya Prakash <sathya.prakash@...adcom.com>,
	Chaitra P B <chaitra.basappa@...adcom.com>,
	Suganath Prabu Subramani 
	<suganath-prabu.subramani@...adcom.com>,
	"James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	linux-kernel@...r.kernel.org, MPT-FusionLinux.pdl@...adcom.com,
	linux-scsi@...r.kernel.org
Subject: Re: [PATCH] mpt3sas: fix possible NULL dereference

>>>>> "Sudip" == Sudip Mukherjee <sudipm.mukherjee@...il.com> writes:

Sudip> We are dereferencing ioc->sense_dma_pool in pci_pool_free() and
Sudip> after that we are checking if it is NULL, before calling
Sudip> pci_pool_destroy().  Lets check if it is NULL before calling both
Sudip> pci_pool_free() and pci_pool_destroy().

Broadcom folks, please review.

-- 
Martin K. Petersen	Oracle Linux Engineering