The following reply was made to PR kern/185043; it has been noted by GNATS.
From: [email protected] (dfilter service) To: [email protected] Cc: Subject: Re: kern/185043: commit references a PR Date: Thu, 16 Jan 2014 22:15:01 +0000 (UTC) Author: gnn Date: Thu Jan 16 22:14:54 2014 New Revision: 260796 URL: http://svnweb.freebsd.org/changeset/base/260796 Log: Fix various places where we don't properly release a lock PR: 185043 Submitted by: Michael Bentkofsky MFC after: 2 weeks Modified: head/sys/netinet/in_mcast.c Modified: head/sys/netinet/in_mcast.c ============================================================================== --- head/sys/netinet/in_mcast.c Thu Jan 16 21:56:05 2014 (r260795) +++ head/sys/netinet/in_mcast.c Thu Jan 16 22:14:54 2014 (r260796) @@ -1496,7 +1496,7 @@ inp_block_unblock_source(struct inpcb *i error = inm_merge(inm, imf); if (error) { CTR1(KTR_IGMPV3, "%s: failed to merge inm state", __func__); - goto out_imf_rollback; + goto out_in_multi_locked; } CTR1(KTR_IGMPV3, "%s: doing igmp downcall", __func__); @@ -1504,6 +1504,8 @@ inp_block_unblock_source(struct inpcb *i if (error) CTR1(KTR_IGMPV3, "%s: failed igmp downcall", __func__); +out_in_multi_locked: + IN_MULTI_UNLOCK(); out_imf_rollback: @@ -2172,8 +2174,12 @@ inp_join_group(struct inpcb *inp, struct if (is_new) { error = in_joingroup_locked(ifp, &gsa->sin.sin_addr, imf, &inm); - if (error) + if (error) { + CTR1(KTR_IGMPV3, "%s: in_joingroup_locked failed", + __func__); + IN_MULTI_UNLOCK(); goto out_imo_free; + } imo->imo_membership[idx] = inm; } else { CTR1(KTR_IGMPV3, "%s: merge inm state", __func__); @@ -2181,20 +2187,21 @@ inp_join_group(struct inpcb *inp, struct if (error) { CTR1(KTR_IGMPV3, "%s: failed to merge inm state", __func__); - goto out_imf_rollback; + goto out_in_multi_locked; } CTR1(KTR_IGMPV3, "%s: doing igmp downcall", __func__); error = igmp_change_state(inm); if (error) { CTR1(KTR_IGMPV3, "%s: failed igmp downcall", __func__); - goto out_imf_rollback; + goto out_in_multi_locked; } } +out_in_multi_locked: + IN_MULTI_UNLOCK(); -out_imf_rollback: INP_WLOCK_ASSERT(inp); if (error) { imf_rollback(imf); @@ -2398,7 +2405,7 @@ inp_leave_group(struct inpcb *inp, struc if (error) { CTR1(KTR_IGMPV3, "%s: failed to merge inm state", __func__); - goto out_imf_rollback; + goto out_in_multi_locked; } CTR1(KTR_IGMPV3, "%s: doing igmp downcall", __func__); @@ -2409,9 +2416,10 @@ inp_leave_group(struct inpcb *inp, struc } } +out_in_multi_locked: + IN_MULTI_UNLOCK(); -out_imf_rollback: if (error) imf_rollback(imf); else @@ -2645,7 +2653,7 @@ inp_set_source_filters(struct inpcb *inp error = inm_merge(inm, imf); if (error) { CTR1(KTR_IGMPV3, "%s: failed to merge inm state", __func__); - goto out_imf_rollback; + goto out_in_multi_locked; } CTR1(KTR_IGMPV3, "%s: doing igmp downcall", __func__); @@ -2653,6 +2661,8 @@ inp_set_source_filters(struct inpcb *inp if (error) CTR1(KTR_IGMPV3, "%s: failed igmp downcall", __func__); +out_in_multi_locked: + IN_MULTI_UNLOCK(); out_imf_rollback: _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "[email protected]" _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-bugs To unsubscribe, send any mail to "[email protected]"
