detect analizer: fix minor coverity warning

** CID 1298889: Integer handling issues (NEGATIVE_RETURNS) /src/detect-engine-analyzer.c: 102 in EngineAnalysisFP()
11 years ago · 1ed8d7b538
parent dd2afd51f7
commit 1ed8d7b538
1 changed files with 3 additions and 0 deletions
--- a/src/detect-engine-analyzer.c
+++ b/src/detect-engine-analyzer.c
@ -54,6 +54,9 @@ static FpPatternStats fp_pattern_stats[DETECT_SM_LIST_MAX];

 static void FpPatternStatsAdd(int list, uint16_t patlen)
 {
+    if (list < 0 || list >= DETECT_SM_LIST_MAX)
+        return;
+
    FpPatternStats *f = &fp_pattern_stats[list];

    if (f->min == 0)