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| author |   gushengxian <gushengxian@yulong.com> | 2021-06-26 04:56:06 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-06-28 14:24:06 -0700 |
| commit | 9ea3e52c5bc8bb4a084938dc1e3160643438927a (patch) | |
| tree | 265e764d3e45ed7c94e1ecd658ee57e69c3dc0ce /include/net/flow_offload.h | |
| parent | net: sched: fix warning in tcindex_alloc_perfect_hash (diff) | |
| download | wireguard-linux-9ea3e52c5bc8bb4a084938dc1e3160643438927a.tar.xz wireguard-linux-9ea3e52c5bc8bb4a084938dc1e3160643438927a.zip | |
flow_offload: action should not be NULL when it is referenced
"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>
Diffstat (limited to 'include/net/flow_offload.h')
| -rw-r--r-- | include/net/flow_offload.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h index dc5c1e69cd9f..69c9eabf8325 100644 --- a/include/net/flow_offload.h +++ b/include/net/flow_offload.h @@ -319,12 +319,14 @@ 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; } |