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flow_offload: action should not be NULL when it is referenced

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[ 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>
This commit is contained in:
gushengxian
2021-06-26 04:56:06 -07:00
committed by Greg Kroah-Hartman
parent a61af01141
commit e83f312114
1 changed files with 7 additions and 5 deletions
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2
include/net/flow_offload.h
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@@ -312,6 +312,7 @@ flow_action_mixed_hw_stats_check(const struct flow_action *action,
if (flow_offload_has_one_action(action)) if (flow_offload_has_one_action(action))
return true; return true;
if (action) {
flow_action_for_each(i, action_entry, action) { flow_action_for_each(i, action_entry, action) {
if (i && action_entry->hw_stats != last_hw_stats) { if (i && action_entry->hw_stats != last_hw_stats) {
NL_SET_ERR_MSG_MOD(extack, "Mixing HW stats types for actions is not supported"); NL_SET_ERR_MSG_MOD(extack, "Mixing HW stats types for actions is not supported");
@@ -319,6 +320,7 @@ flow_action_mixed_hw_stats_check(const struct flow_action *action,
} }
last_hw_stats = action_entry->hw_stats; last_hw_stats = action_entry->hw_stats;
} }
}
return true; return true;
} }