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authorgushengxian <gushengxian@yulong.com>2021-06-26 14:56:06 +0300
committerDavid S. Miller <davem@davemloft.net>2021-06-29 00:24:06 +0300
commit9ea3e52c5bc8bb4a084938dc1e3160643438927a (patch)
tree265e764d3e45ed7c94e1ecd658ee57e69c3dc0ce /include/net/flow_offload.h
parent3f2db250099f46988088800052cdf2332c7aba61 (diff)
downloadlinux-9ea3e52c5bc8bb4a084938dc1e3160643438927a.tar.xz
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.h12
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;
}