mtp: fix double free of thumbnail data

bug: 67864232
Change-Id: I6eb51be839df12317273830521c70a4ed80f9496
(cherry picked from commit e6b98532ee03d0ac1ca93382699893172454a946)

diff --git a/media/jni/android_mtp_MtpDatabase.cpp b/media/jni/android_mtp_MtpDatabase.cpp
index 7217832..feff102 100644 (file)
--- a/media/jni/android_mtp_MtpDatabase.cpp
+++ b/media/jni/android_mtp_MtpDatabase.cpp
@@ -948,6 +948,7 @@ void* MyMtpDatabase::getThumbnail(MtpObjectHandle handle, size_t& outThumbSize)
                         outThumbSize = image_data.thumbnail.length;
                     } else {
                         free(result);
+                        result = NULL;
                     }
                 }
                 break;