Sowmini Varadhan 0ffdaf5b41 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>

2017-07-08 11:16:16 +01:00

66 KiB

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