Coverity 1038124: memory leak on 'seq' keyword parsing failure

src/detect-seq.c

@@ -94,7 +94,7 @@ static int DetectSeqMatch(ThreadVars *t, DetectEngineThreadCtx *det_ctx,
  */
 static int DetectSeqSetup (DetectEngineCtx *de_ctx, Signature *s, char *optstr)
 {
-    DetectSeqData *data;
+    DetectSeqData *data = NULL;
     SigMatch *sm = NULL;
 
     data = SCMalloc(sizeof(DetectSeqData));
@@ -102,9 +102,8 @@ static int DetectSeqSetup (DetectEngineCtx *de_ctx, Signature *s, char *optstr)
         goto error;
 
     sm = SigMatchAlloc();
-    if (sm == NULL) {
+    if (sm == NULL)
         goto error;
-    }
 
     sm->type = DETECT_SEQ;
 
@@ -119,7 +118,10 @@ static int DetectSeqSetup (DetectEngineCtx *de_ctx, Signature *s, char *optstr)
     return 0;
 
 error:
-    if (data) SCFree(data);
+    if (data)
+        SCFree(data);
+    if (sm)
+        SigMatchFree(sm);
     return -1;
 
 }