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-rw-r--r--sys/net/rtsock.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/net/rtsock.c b/sys/net/rtsock.c
index ae72bd9..f2b0369 100644
--- a/sys/net/rtsock.c
+++ b/sys/net/rtsock.c
@@ -1473,6 +1473,7 @@ sysctl_iflist(int af, struct walkarg *w)
TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
if (w->w_arg && w->w_arg != ifp->if_index)
continue;
+ IF_ADDR_LOCK(ifp);
ifa = ifp->if_addr;
info.rti_info[RTAX_IFP] = ifa->ifa_addr;
len = rt_msg2(RTM_IFINFO, &info, NULL, w);
@@ -1530,10 +1531,13 @@ sysctl_iflist(int af, struct walkarg *w)
goto done;
}
}
+ IF_ADDR_UNLOCK(ifp);
info.rti_info[RTAX_IFA] = info.rti_info[RTAX_NETMASK] =
info.rti_info[RTAX_BRD] = NULL;
}
done:
+ if (ifp != NULL)
+ IF_ADDR_UNLOCK(ifp);
IFNET_RUNLOCK();
return (error);
}
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