Date: Thu, 21 Jun 2012 15:14:51 +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: r237401 - head/sys/cam Message-ID: <201206211514.q5LFEpIv020272@svn.freebsd.org>
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Author: mav Date: Thu Jun 21 15:14:51 2012 New Revision: 237401 URL: http://svn.freebsd.org/changeset/base/237401 Log: Make cam_periph_hold() behavior consistent: drop taken reference and return ENXIO if periph was invalidated while we were waiting for it. MFC after: 1 week Modified: head/sys/cam/cam_periph.c Modified: head/sys/cam/cam_periph.c ============================================================================== --- head/sys/cam/cam_periph.c Thu Jun 21 14:55:35 2012 (r237400) +++ head/sys/cam/cam_periph.c Thu Jun 21 15:14:51 2012 (r237401) @@ -440,6 +440,10 @@ cam_periph_hold(struct cam_periph *perip cam_periph_release_locked(periph); return (error); } + if (periph->flags & CAM_PERIPH_INVALID) { + cam_periph_release_locked(periph); + return (ENXIO); + } } periph->flags |= CAM_PERIPH_LOCKED;
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