tipc: Convert fatal broadcast sanity check to non-fatal check
Modifies the existing broadcast link sanity check that detects an attempt to send a message off-node when there are no available destinations so that it no longer causes a kernel panic; instead, the check now issues a warning and stack trace and then returns without sending the message anywhere. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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@ -552,12 +552,16 @@ static int tipc_bcbearer_send(struct sk_buff *buf,
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if (likely(!msg_non_seq(buf_msg(buf)))) {
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struct tipc_msg *msg;
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assert(tipc_bcast_nmap.count != 0);
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bcbuf_set_acks(buf, tipc_bcast_nmap.count);
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msg = buf_msg(buf);
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msg_set_non_seq(msg, 1);
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msg_set_mc_netid(msg, tipc_net_id);
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bcl->stats.sent_info++;
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if (WARN_ON(!tipc_bcast_nmap.count)) {
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dump_stack();
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return 0;
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}
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}
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/* Send buffer over bearers until all targets reached */
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