net/ipv4: Put target net when address dump fails due to bad attributes
If tgt_net is set based on IFA_TARGET_NETNSID attribute in the dump request, make sure all error paths call put_net. Fixes: 5fcd266a ("net/ipv4: Add support for dumping addresses for a specific device") Fixes: c33078e3 ("net/ipv4: Update inet_dump_ifaddr for strict data checking") Reported-by: NLi RongQing <lirongqing@baidu.com> Signed-off-by: NDavid Ahern <dsahern@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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