| From | Sasha Levin <> | Subject | [PATCH AUTOSEL 5.12 155/160] flow_offload: action should not be NULL when it is referenced | Date | Tue, 6 Jul 2021 07:18:21 -0400 |
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From: gushengxian <gushengxian@yulong.com>
[ Upstream commit 9ea3e52c5bc8bb4a084938dc1e3160643438927a ]
"action" should not be NULL when it is referenced.
Signed-off-by: gushengxian <13145886936@163.com> Signed-off-by: gushengxian <gushengxian@yulong.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org> --- include/net/flow_offload.h | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h index e6bd8ebf9ac3..c28ea1f0ec9c 100644 --- a/include/net/flow_offload.h +++ b/include/net/flow_offload.h @@ -313,12 +313,14 @@ flow_action_mixed_hw_stats_check(const struct flow_action *action, if (flow_offload_has_one_action(action)) return true; - flow_action_for_each(i, action_entry, action) { - if (i && action_entry->hw_stats != last_hw_stats) { - NL_SET_ERR_MSG_MOD(extack, "Mixing HW stats types for actions is not supported"); - return false; + if (action) { + flow_action_for_each(i, action_entry, action) { + if (i && action_entry->hw_stats != last_hw_stats) { + NL_SET_ERR_MSG_MOD(extack, "Mixing HW stats types for actions is not supported"); + return false; + } + last_hw_stats = action_entry->hw_stats; } - last_hw_stats = action_entry->hw_stats; } return true; } -- 2.30.2
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