Protect against null pointer.

27b366d5 · Juliusz Chroboczek · bc164e51 · 27b366d5
Commit 27b366d5 authored Mar 10, 2008 by Juliusz Chroboczek
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kernel_netlink.c kernel_netlink.c +2 -0

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--- a/kernel_netlink.c
+++ b/kernel_netlink.c
@@ -1043,6 +1043,8 @@ filter_link(struct nlmsghdr *nh, void *data)
    ifflags = info->ifi_flags;

    ifname = parse_ifname_rta(info, len);
+    if(ifname == NULL)
+        return 0;
    kdebugf("filter_interfaces: link change on if %s(%d): %s\n",
            ifname, ifindex, parse_ifflags(ifflags));
    for (i = 0; i < numnets; i++) {