diff --git a/support/platform/src/pin/pin_core.c b/support/platform/src/pin/pin_core.c
index 6b41ebd7d5b00e754102a6331070f7a3ffa0d74b..ce3084a7e9b7a2f9f36befe38c91cc97b0fcc5d7 100644
--- a/support/platform/src/pin/pin_core.c
+++ b/support/platform/src/pin/pin_core.c
@@ -150,6 +150,11 @@ static int32_t GetPinIndex(struct PinCntlr *cntlr, struct PinDesc *desc)
 {
     int32_t index, ret;
 
+    if (desc->pinName == NULL) {
+        HDF_LOGE("%s: desc->pinName is NULL!", __func__);
+        return HDF_ERR_INVALID_PARAM;
+    }
+
     for (index = 0; index < cntlr->pinCount; index++) {
         if (cntlr->pins[index].pinName == NULL) {
             HDF_LOGE("%s: cntlr->pin[index].pinName is NULL!", __func__);