Author: glebius
Date: Tue Oct 8 16:59:17 2019
New Revision: 353313
URL: https://svnweb.freebsd.org/changeset/base/353313
Log:
Quickly plug another regression from r353292. Again, multicast locking needs
lots of work...
Reported by: pho
Modified:
head/sys/netinet/in_mcast.c
Modified: head/sys/netinet/in_mcast.c
==============================================================================
--- head/sys/netinet/in_mcast.c Tue Oct 8 16:45:56 2019 (r353312)
+++ head/sys/netinet/in_mcast.c Tue Oct 8 16:59:17 2019 (r353313)
@@ -2195,12 +2195,14 @@ inp_join_group(struct inpcb *inp, struct sockopt *sopt
* Begin state merge transaction at IGMP layer.
*/
if (is_new) {
+ struct epoch_tracker et;
+
in_pcbref(inp);
INP_WUNLOCK(inp);
-
+ NET_EPOCH_ENTER(et);
error = in_joingroup_locked(ifp, &gsa->sin.sin_addr, imf,
&imf->imf_inm);
-
+ NET_EPOCH_EXIT(et);
INP_WLOCK(inp);
if (in_pcbrele_wlocked(inp)) {
error = ENXIO;
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