androidmedia: Add more null checks (of env) to JNI utilities

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5142>

diff --git a/subprojects/gst-plugins-bad/sys/androidmedia/gstjniutils.c b/subprojects/gst-plugins-bad/sys/androidmedia/gstjniutils.c
index e794c47..8e9b081 100644 (file)
--- a/subprojects/gst-plugins-bad/sys/androidmedia/gstjniutils.c
+++ b/subprojects/gst-plugins-bad/sys/androidmedia/gstjniutils.c
@@ -201,6 +201,7 @@ jobject
 gst_amc_jni_object_make_global (JNIEnv * env, jobject object)
 {
   jobject ret;
+  g_return_val_if_fail (env != NULL, NULL);
   g_return_val_if_fail (object != NULL, NULL);
 
   ret = (*env)->NewGlobalRef (env, object);
@@ -216,6 +217,7 @@ jobject
 gst_amc_jni_object_ref (JNIEnv * env, jobject object)
 {
   jobject ret;
+  g_return_val_if_fail (env != NULL, NULL);
   g_return_val_if_fail (object != NULL, NULL);
 
   ret = (*env)->NewGlobalRef (env, object);
@@ -228,6 +230,7 @@ gst_amc_jni_object_ref (JNIEnv * env, jobject object)
 void
 gst_amc_jni_object_unref (JNIEnv * env, jobject object)
 {
+  g_return_if_fail (env != NULL);
   g_return_if_fail (object != NULL);
 
   (*env)->DeleteGlobalRef (env, object);
@@ -236,6 +239,7 @@ gst_amc_jni_object_unref (JNIEnv * env, jobject object)
 void
 gst_amc_jni_object_local_unref (JNIEnv * env, jobject object)
 {
+  g_return_if_fail (env != NULL);
   g_return_if_fail (object != NULL);
 
   (*env)->DeleteLocalRef (env, object);