tipc: make function tipc_net_finalize() thread safe
authorJon Maloy <jon.maloy@ericsson.com>
Fri, 6 Jul 2018 18:10:06 +0000 (20:10 +0200)
committerDavid S. Miller <davem@davemloft.net>
Sat, 7 Jul 2018 10:49:02 +0000 (19:49 +0900)
commit9faa89d4ed9d7d326f4763d262842270450f9b1f
tree7d2f742a0a79418fa0b8388e0b4d19847d58298a
parent92018c7ca959ccd346d6235dac03cf7fc1ba51f7
tipc: make function tipc_net_finalize() thread safe

The setting of the node address is not thread safe, meaning that
two discoverers may decide to set it simultanously, with a duplicate
entry in the name table as result. We fix that with this commit.

Fixes: 25b0b9c4e835 ("tipc: handle collisions of 32-bit node address hash values")
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/tipc/net.c