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Date: Tue, 27 Oct 2020 14:45:04 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Guillaume Nault <gnault@...hat.com>, Cong Wang <xiyou.wangcong@...il.com>, Jakub Kicinski <kuba@...nel.org> Subject: [PATCH 5.9 054/757] net/sched: act_gate: Unlock ->tcfa_lock in tc_setup_flow_action() From: Guillaume Nault <gnault@...hat.com> [ Upstream commit b130762161374b1ef31549bef8ebd4abeb998d94 ] We need to jump to the "err_out_locked" label when tcf_gate_get_entries() fails. Otherwise, tc_setup_flow_action() exits with ->tcfa_lock still held. Fixes: d29bdd69ecdd ("net: schedule: add action gate offloading") Signed-off-by: Guillaume Nault <gnault@...hat.com> Acked-by: Cong Wang <xiyou.wangcong@...il.com> Link: https://lore.kernel.org/r/12f60e385584c52c22863701c0185e40ab08a7a7.1603207948.git.gnault@redhat.com Signed-off-by: Jakub Kicinski <kuba@...nel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- net/sched/cls_api.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -3712,7 +3712,7 @@ int tc_setup_flow_action(struct flow_act entry->gate.num_entries = tcf_gate_num_entries(act); err = tcf_gate_get_entries(entry, act); if (err) - goto err_out; + goto err_out_locked; } else { err = -EOPNOTSUPP; goto err_out_locked;
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