Changes in uspace/srv/net/udp/service.c [58e8646:bde5c04] in mainline

File:

• uspace/srv/net/udp/service.c (modified) (3 diffs)

uspace/srv/net/udp/service.c

@@ -570 +570 @@
 
         rc = async_data_read_finalize(callid, &enext->epp.remote,
-            max(size, (ssize_t)sizeof(inet_ep_t)));
+            max(size, (size_t)sizeof(inet_ep_t)));
         if (rc != EOK) {
                 async_answer_0(iid, rc);
@@ -596 +596 @@
 {
         ipc_callid_t callid;
-        ssize_t msg_size;
+        size_t msg_size;
         udp_crcv_queue_entry_t *enext;
         void *data;
         size_t size;
-        ssize_t off;
+        size_t off;
         int rc;
 
@@ -623 +623 @@
         msg_size = enext->msg->data_size;
 
-        rc = async_data_read_finalize(callid, data, max(msg_size - off,
-            (ssize_t)size));
+        if (off > msg_size) {
+                async_answer_0(callid, EINVAL);
+                async_answer_0(iid, EINVAL);
+                return;
+        }
+
+        rc = async_data_read_finalize(callid, data, min(msg_size - off, size));
         if (rc != EOK) {
                 async_answer_0(iid, rc);