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(parent: 0933a57) | patch
net/sock: add WARN_ON(parent->sk) in sock_graft()
authorSowmini Varadhan <sowmini.varadhan@oracle.com>
Thu, 6 Jul 2017 15:15:07 +0000 (08:15 -0700)
committerDavid S. Miller <davem@davemloft.net>
Sat, 8 Jul 2017 10:16:16 +0000 (11:16 +0100)
commit0ffdaf5b41cf4435ece14d1d3e977ce69012a20d
tree606445d216e1fb481b1d6e8d5f1fb264d41fa4f9tree | snapshot (tar.gz zip)
parent0933a578cd55b02dc80f219dc8f2efb17ec61c9acommit | diff
net/sock: add WARN_ON(parent->sk) in sock_graft()

sock_graft() unilaterally sets up parent->sk based on the
assumption that the existing parent->sk is null. If this
condition is not true, then the existing parent->sk would
be leaked, so add a WARN_ON() to alert callers who may fall
in this category.

Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/sock.h diff | blob | blame | history