netpoll: warn on netpoll_send_udp users who haven't disabled irqs
Make sure we catch future netpoll_send_udp users who use it without disabling irqs and also as a hint for poll_controller users. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -380,6 +380,8 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len)
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static atomic_t ip_ident;
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static atomic_t ip_ident;
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struct ipv6hdr *ip6h;
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struct ipv6hdr *ip6h;
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WARN_ON_ONCE(!irqs_disabled());
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udp_len = len + sizeof(*udph);
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udp_len = len + sizeof(*udph);
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if (np->ipv6)
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if (np->ipv6)
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ip_len = udp_len + sizeof(*ip6h);
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ip_len = udp_len + sizeof(*ip6h);
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