gtp-tunnel-add: fix crash if no arguments are passed
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@ -34,7 +34,7 @@ int main(int argc, char *argv[])
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struct nlmsghdr *nlh;
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struct genlmsghdr *genl;
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unsigned int portid;
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uint32_t gtp_ifidx = if_nametoindex(argv[1]);
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uint32_t gtp_ifidx;
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int32_t genl_id;
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int i;
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@ -42,6 +42,7 @@ int main(int argc, char *argv[])
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printf("%s <gtp device>\n", argv[0]);
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exit(EXIT_FAILURE);
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}
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gtp_ifidx = if_nametoindex(argv[1]);
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nl = genl_socket_open();
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if (nl == NULL) {
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