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In smc_ib_find_route(), the neighbour found by neigh_lookup() and rtable resolved by ip_route_output_flow() are not released or put before return. It may cause the refcount leak, so fix it. Link: https://lore.kernel.org/r/20240506015439.108739-1-guwen@linux.alibaba.com Fixes: e5c4744cfb59 ("net/smc: add SMC-Rv2 connection establishment") Signed-off-by: Wen Gu <guwen@linux.alibaba.com> Link: https://lore.kernel.org/r/20240507125331.2808-1-guwen@linux.alibaba.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>