Author: trasz
Date: Fri Dec 13 15:25:51 2013
New Revision: 259306
URL: http://svnweb.freebsd.org/changeset/base/259306
Log:
MFC r259183:
Properly refuse handoff requests on already connected sessions. Previously
this would result in dropping the session.
Sponsored by: The FreeBSD Foundation
Modified:
stable/10/sys/dev/iscsi/iscsi.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/dev/iscsi/iscsi.c
==============================================================================
--- stable/10/sys/dev/iscsi/iscsi.c Fri Dec 13 15:23:07 2013
(r259305)
+++ stable/10/sys/dev/iscsi/iscsi.c Fri Dec 13 15:25:51 2013
(r259306)
@@ -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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