diff --git a/services/audioflinger/PatchPanel.cpp b/services/audioflinger/PatchPanel.cpp
index 42a5a90..0caa0af 100644
--- a/services/audioflinger/PatchPanel.cpp
+++ b/services/audioflinger/PatchPanel.cpp
@@ -110,9 +110,7 @@
     status_t status = NO_ERROR;
     audio_patch_handle_t halHandle = AUDIO_PATCH_HANDLE_NONE;
 
-    if (patch->num_sources == 0 || patch->num_sources > AUDIO_PATCH_PORTS_MAX ||
-            (patch->num_sinks == 0 && patch->num_sources != 2) ||
-            patch->num_sinks > AUDIO_PATCH_PORTS_MAX) {
+    if (!audio_patch_is_valid(patch) || (patch->num_sinks == 0 && patch->num_sources != 2)) {
         return BAD_VALUE;
     }
     // limit number of sources to 1 for now or 2 sources for special cross hw module case.