Date: Sat, 24 Jan 2015 15:40:53 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r277647 - head/sys/cam/ctl Message-ID: <201501241540.t0OFerWa034511@svn.freebsd.org>
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Author: mav Date: Sat Jan 24 15:40:52 2015 New Revision: 277647 URL: https://svnweb.freebsd.org/changeset/base/277647 Log: Fix wrong LUN reference in XCOPY block-to-block operation. This could cause data corruption due to accessing wrong LUN in case of retries on write errors. Failed writes were retried to read LUN. MFC after: 3 days Modified: head/sys/cam/ctl/ctl_tpc.c Modified: head/sys/cam/ctl/ctl_tpc.c ============================================================================== --- head/sys/cam/ctl/ctl_tpc.c Sat Jan 24 15:33:42 2015 (r277646) +++ head/sys/cam/ctl/ctl_tpc.c Sat Jan 24 15:40:52 2015 (r277647) @@ -916,7 +916,7 @@ tpc_process_b2b(struct tpc_list *list) /*control*/ 0); tiow->io->io_hdr.retries = 3; tiow->lun = dl; - tiow->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tior; + tiow->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tiow; TAILQ_INSERT_TAIL(&tior->run, tiow, rlinks); TAILQ_INSERT_TAIL(prun, tior, rlinks);
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