In DIAGNOSTIC block of if_delmulti_ifma_flags() enter the network epoch.
This quickly plugs the regression from r353292. The locking of multicast definitely needs a broader review today... Reported by: pho, dhw
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=353312
@ -3689,13 +3689,14 @@ if_delmulti_ifma_flags(struct ifmultiaddr *ifma, int flags)
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if (ifp == NULL) {
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printf("%s: ifma_ifp seems to be detached\n", __func__);
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} else {
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struct epoch_tracker et;
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struct ifnet *oifp;
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NET_EPOCH_ASSERT();
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NET_EPOCH_ENTER(et);
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CK_STAILQ_FOREACH(oifp, &V_ifnet, if_link)
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if (ifp == oifp)
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break;
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NET_EPOCH_EXIT(et);
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if (ifp != oifp)
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ifp = NULL;
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}
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