sys/dev/xen/netfront/netfront.c:
In netif_free(), call ifmedia_removeall() after ether_ifdetach() so that bpf listeners are detached, any link state processing is completed, and there is no chance for external reference to media information. Suggested by: yongari MFC after: 1 week
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=251729
@ -2178,12 +2178,12 @@ netif_free(struct netfront_info *info)
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XN_UNLOCK(info);
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XN_UNLOCK(info);
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callout_drain(&info->xn_stat_ch);
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callout_drain(&info->xn_stat_ch);
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netif_disconnect_backend(info);
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netif_disconnect_backend(info);
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ifmedia_removeall(&info->sc_media);
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if (info->xn_ifp != NULL) {
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if (info->xn_ifp != NULL) {
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ether_ifdetach(info->xn_ifp);
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ether_ifdetach(info->xn_ifp);
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if_free(info->xn_ifp);
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if_free(info->xn_ifp);
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info->xn_ifp = NULL;
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info->xn_ifp = NULL;
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}
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}
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ifmedia_removeall(&info->sc_media);
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}
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}
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static void
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static void
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