diff --git a/support/platform/src/pin/pin_core.c b/support/platform/src/pin/pin_core.c
index 6b41ebd7d5b00e754102a6331070f7a3ffa0d74b..09e65ba6ad6bc2431f58bf29b573e1bae672e547 100644
--- a/support/platform/src/pin/pin_core.c
+++ b/support/platform/src/pin/pin_core.c
@@ -86,6 +86,11 @@ struct PinDesc *PinCntlrGetPinDescByName(const char *pinName)
     struct PinCntlr *tmp = NULL;
     int32_t num;
 
+    if (pinName == NULL) {
+        HDF_LOGE("%s: pinName is NULL!", __func__);
+        return NULL;
+    }
+
     list = PinCntlrListGet();
 
     DLIST_FOR_EACH_ENTRY_SAFE(cntlr, tmp, list, struct PinCntlr, list) {