[NET]: sanitize kernel_accept() error path

If kernel_accept() returns an error, it may pass back a pointer to
freed memory (which the caller should ignore).  Make it pass back NULL
instead for better safety.

Signed-off-by: Tony Battersby <tonyb@cybernetics.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 file changed