detect/mpm: micro optimization for initialization

Do less expensive check first.
4 years ago · ce18f4b8e2
parent dfe71bb773
commit ce18f4b8e2
1 changed files with 3 additions and 3 deletions
--- a/src/detect-engine-mpm.c
+++ b/src/detect-engine-mpm.c
@ -1448,11 +1448,11 @@ static MpmStore *MpmStorePrepareBufferAppLayer(DetectEngineCtx *de_ctx,
        if (s->init_data->mpm_sm == NULL)
            continue;

-        int list = SigMatchListSMBelongsTo(s, s->init_data->mpm_sm);
-        if (list < 0)
+        if ((s->flags & am->direction) == 0)
            continue;

-        if ((s->flags & am->direction) == 0)
+        int list = SigMatchListSMBelongsTo(s, s->init_data->mpm_sm);
+        if (list < 0)
            continue;

        if (list != am->sm_list)