Author: mav
Date: Tue Aug 19 17:04:18 2014
New Revision: 270176
URL: http://svnweb.freebsd.org/changeset/base/270176
Log:
Fix lock recursion on LUN shutdown, introduced on r269497.
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 Tue Aug 19 15:51:43 2014 (r270175)
+++ head/sys/cam/ctl/ctl_tpc.c Tue Aug 19 17:04:18 2014 (r270176)
@@ -228,7 +228,7 @@ ctl_tpc_lun_shutdown(struct ctl_lun *lun
}
/* Free ROD tokens for this LUN. */
- mtx_lock(&control_softc->ctl_lock);
+ mtx_assert(&control_softc->ctl_lock, MA_OWNED);
TAILQ_FOREACH_SAFE(token, &control_softc->tpc_tokens, links, ttoken) {
if (token->lun != lun->lun || token->active)
continue;
@@ -236,7 +236,6 @@ ctl_tpc_lun_shutdown(struct ctl_lun *lun
free(token->params, M_CTL);
free(token, M_CTL);
}
- mtx_unlock(&control_softc->ctl_lock);
}
int
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