Date: Fri, 13 Dec 2013 21:41:23 +0000 (UTC) From: Edward Tomasz Napierala <trasz@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-releng@freebsd.org Subject: svn commit: r259336 - releng/10.0/sys/dev/iscsi Message-ID: <201312132141.rBDLfNua035866@svn.freebsd.org>
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Author: trasz Date: Fri Dec 13 21:41:23 2013 New Revision: 259336 URL: http://svnweb.freebsd.org/changeset/base/259336 Log: MFC r259183: Properly refuse handoff requests on already connected sessions. Previously this would result in dropping the session. Approved by: re (gjb) Sponsored by: The FreeBSD Foundation Modified: releng/10.0/sys/dev/iscsi/iscsi.c Directory Properties: releng/10.0/ (props changed) Modified: releng/10.0/sys/dev/iscsi/iscsi.c ============================================================================== --- releng/10.0/sys/dev/iscsi/iscsi.c Fri Dec 13 21:40:12 2013 (r259335) +++ releng/10.0/sys/dev/iscsi/iscsi.c Fri Dec 13 21:41:23 2013 (r259336) @@ -1247,6 +1247,18 @@ iscsi_ioctl_daemon_handoff(struct iscsi_ sx_sunlock(&sc->sc_lock); return (EINVAL); } + if (is->is_connected) { + /* + * This might have happened because another iscsid(8) + * instance handed off the connection in the meantime. + * Just return. + */ + ISCSI_SESSION_WARN(is, "handoff on already connected " + "session"); + ISCSI_SESSION_UNLOCK(is); + sx_sunlock(&sc->sc_lock); + return (EBUSY); + } strlcpy(is->is_target_alias, handoff->idh_target_alias, sizeof(is->is_target_alias));
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