don't try to memcpy if src and dest are the same

wolfSSL · Apr 9, 2024 · 072ac77 · 072ac77
1 parent 302a7cf
commit 072ac77
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/wh_comm.c b/src/wh_comm.c
@@ -94,7 +94,8 @@ int wh_CommClient_SendRequest(whCommClient* context,
         context->hdr->magic = magic;
         context->hdr->kind = wh_Translate16(magic, kind);
         context->hdr->seq = wh_Translate16(magic, context->seq + 1);
-        if ((data != NULL) && (data_size != 0)) {
+        /* don't try to memcpy if src and dest are the same */
+        if ((data != NULL) && (data_size != 0) && data != context->data) {
             memcpy(context->data, data, data_size);
         }
         rc = context->transport_cb->Send(context->transport_context,