linux-kernel - Re: [PATCH v2 scsi] Short the path length of scsi_cmd_to

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Tue, 02 Oct 2012 18:22:49 -0400
From:	"Martin K. Petersen" <martin.petersen@...cle.com>
To:	Li Zhong <zhong@...ux.vnet.ibm.com>
Cc:	James Bottomley <James.Bottomley@...senpartnership.com>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	LKML <linux-kernel@...r.kernel.org>, linux-scsi@...r.kernel.org,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: Re: [PATCH v2 scsi] Short the path length of scsi_cmd_to_driver()

>>>>> "Li" == Li Zhong <zhong@...ux.vnet.ibm.com> writes:

Li> As suggested by James: this patch tries to short the path length of
Li> scsi_cmd_to_driver(). As only REQ_TYPE_BLOCK_PC commands can be
Li> submitted without a driver, so we could avoid the related NULL
Li> checking, as long as we make sure we don't use it for
Li> REQ_TYPE_BLOCK_PC type commands. Plus, this fixes a bug where you
Li> get different behaviors from REQ_TYPE_BLOCK_PC commands when a
Li> driver is and isn't attached.

Acked-by: Martin K. Petersen <martin.petersen@...cle.com>

-- 
Martin K. Petersen	Oracle Linux Engineering
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/