DNG: protect from ill-formed BaselineExposure values

2018-11-19 09:29:21 +01:00
parent 21395b0450
commit e0b4f85e09
1 changed files with 6 additions and 1 deletions
--- a/rtengine/dcraw.cc
+++ b/rtengine/dcraw.cc
@@ -6523,7 +6523,12 @@ guess_cfa_pc:
 	FORC3 xyz[c] /= d65_white[c];
 	break;
      case 50730:                       /* BaselineExposure */
-        if (dng_version) RT_baseline_exposure = getreal(type);
+        if (dng_version) {
+            double be = getreal(type);
+            if (!std::isnan(be)) {
+                RT_baseline_exposure = be;
+            }
+        }
        break;
      case 50740:			/* DNGPrivateData */
 	if (dng_version) break;