Date: Fri, 8 Oct 2010 18:06:15 +0000 (UTC) From: Matthew D Fleming <mdf@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r213588 - stable/8/sys/cam/scsi Message-ID: <201010081806.o98I6Fmh002280@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: mdf Date: Fri Oct 8 18:06:15 2010 New Revision: 213588 URL: http://svn.freebsd.org/changeset/base/213588 Log: MFC r212926: Use destroy_dev_sched(9) instead of destroy_dev(9) in passcleanup() as it is indirectly a d_close method. Modified: stable/8/sys/cam/scsi/scsi_pass.c Directory Properties: stable/8/sys/ (props changed) stable/8/sys/amd64/include/xen/ (props changed) stable/8/sys/cddl/contrib/opensolaris/ (props changed) stable/8/sys/contrib/dev/acpica/ (props changed) stable/8/sys/contrib/pf/ (props changed) stable/8/sys/dev/xen/xenpci/ (props changed) Modified: stable/8/sys/cam/scsi/scsi_pass.c ============================================================================== --- stable/8/sys/cam/scsi/scsi_pass.c Fri Oct 8 17:58:07 2010 (r213587) +++ stable/8/sys/cam/scsi/scsi_pass.c Fri Oct 8 18:06:15 2010 (r213588) @@ -169,7 +169,11 @@ passcleanup(struct cam_periph *periph) xpt_print(periph->path, "removing device entry\n"); devstat_remove_entry(softc->device_stats); cam_periph_unlock(periph); - destroy_dev(softc->dev); + /* + * passcleanup() is indirectly a d_close method via passclose, + * so using destroy_dev(9) directly can result in deadlock. + */ + destroy_dev_sched(softc->dev); cam_periph_lock(periph); free(softc, M_DEVBUF); }
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201010081806.o98I6Fmh002280>