[PATCH AUTOSEL 5.12 155/160] flow_offload: action should not be NULL when it is referenced
From: Sasha Levin <sashal@kernel.org>
Date: 2021-07-06 12:25:08
Also in:
lkml, netdev
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: gushengxian <redacted> [ Upstream commit 9ea3e52c5bc8bb4a084938dc1e3160643438927a ] "action" should not be NULL when it is referenced. Signed-off-by: gushengxian <redacted> Signed-off-by: gushengxian <redacted> 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