trace-events: Fix attribution of trace points to source

[mirror_qemu.git] / hw / net / net_rx_pkt.c

diff --git a/hw/net/net_rx_pkt.c b/hw/net/net_rx_pkt.c
index 0003a0e88b6e7092430047b641de19d794040538..98a5030acecf7dc1b7c06872072b55058b67a569 100644 (file)
--- a/hw/net/net_rx_pkt.c
+++ b/hw/net/net_rx_pkt.c
@@ -88,20 +88,21 @@ net_rx_pkt_pull_data(struct NetRxPkt *pkt,
                         const struct iovec *iov, int iovcnt,
                         size_t ploff)
 {
+    uint32_t pllen = iov_size(iov, iovcnt) - ploff;
+
     if (pkt->ehdr_buf_len) {
         net_rx_pkt_iovec_realloc(pkt, iovcnt + 1);
 
         pkt->vec[0].iov_base = pkt->ehdr_buf;
         pkt->vec[0].iov_len = pkt->ehdr_buf_len;
 
-        pkt->tot_len = iov_size(iov, iovcnt) - ploff + pkt->ehdr_buf_len;
+        pkt->tot_len = pllen + pkt->ehdr_buf_len;
         pkt->vec_len = iov_copy(pkt->vec + 1, pkt->vec_len_total - 1,
-                                iov, iovcnt, ploff,
-                                pkt->tot_len - pkt->ehdr_buf_len);
+                                iov, iovcnt, ploff, pllen) + 1;
     } else {
         net_rx_pkt_iovec_realloc(pkt, iovcnt);
 
-        pkt->tot_len = iov_size(iov, iovcnt) - ploff;
+        pkt->tot_len = pllen;
         pkt->vec_len = iov_copy(pkt->vec, pkt->vec_len_total,
                                 iov, iovcnt, ploff, pkt->tot_len);
     }
@@ -517,7 +518,7 @@ _net_rx_pkt_calc_l4_csum(struct NetRxPkt *pkt)
     cntr += net_checksum_add_iov(pkt->vec, pkt->vec_len,
                                  pkt->l4hdr_off, csl, cso);
 
-    csum = net_checksum_finish(cntr);
+    csum = net_checksum_finish_nozero(cntr);
 
     trace_net_rx_pkt_l4_csum_calc_csum(pkt->l4hdr_off, csl, cntr, csum);