GPU TPC: Fix applying tpc.trackFitCovLimit

Author: davidrohr

GPU/GPUTracking/Merger/GPUTPCGMTrackParam.cxx

@@ -211,10 +211,10 @@ GPUd() bool GPUTPCGMTrackParam::Fit(GPUTPCGMMerger* GPUrestrict() merger, int32_
       }
 
       const bool sinPhiErr = mNDF > 0 && CAMath::Abs(prop.GetSinPhi0()) >= maxSinForUpdate;
+      if (mNDF >= 0 && (mC[0] > param.rec.tpc.trackFitCovLimit || mC[2] > param.rec.tpc.trackFitCovLimit)) {
+        break;
+      }
       if (retValProp || sinPhiErr) {
-        if (mC[0] > param.rec.tpc.trackFitCovLimit || mC[2] > param.rec.tpc.trackFitCovLimit) {
-          break;
-        }
         MarkClusters(clusters, ihitMergeFirst, ihit, wayDirection, GPUTPCGMMergedTrackHit::flagHighIncl);
         nMissed2++;
         NTolerated++;