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net: sched: fix possible refcount leak in tc_new_tfilter()
tfilter_put need to be called to put the refount got by tp->ops->get to avoid possible refcount leak when chain->tmplt_ops != NULL and chain->tmplt_ops != tp->ops. Fixes: 7d5509fa0d3d ("net: sched: extend proto ops with 'put' callback") Signed-off-by: Hangyu Hua <hbh25y@gmail.com> Reviewed-by: Vlad Buslov <vladbu@nvidia.com> Link: https://lore.kernel.org/r/20220921092734.31700-1-hbh25y@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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@ -2137,6 +2137,7 @@ replay:
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}
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if (chain->tmplt_ops && chain->tmplt_ops != tp->ops) {
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tfilter_put(tp, fh);
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NL_SET_ERR_MSG(extack, "Chain template is set to a different filter kind");
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err = -EINVAL;
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goto errout;
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