[Xen-changelog] Avoid pcnet dm packet loss / corruption.

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID a9f3abcc41499b7be971412d66c08d0e9740ff66
# Parent  8b42c8aea36a974dbc2a302de6d4ec2885f99add
Avoid pcnet dm packet loss / corruption.

Signed-Off-By: Nitin A Kamble <nitin.a.kamble@xxxxxxxxx>

diff -r 8b42c8aea36a -r a9f3abcc4149 tools/ioemu/hw/pcnet.c
--- a/tools/ioemu/hw/pcnet.c    Fri Feb 24 18:34:54 2006
+++ b/tools/ioemu/hw/pcnet.c    Sat Feb 25 11:27:53 2006
@@ -376,6 +376,10 @@
     if (s->recv_pos > 0)
         return 0;
 
+    pcnet_rdte_poll(s);
+    if (!(CSR_CRST(s) & 0x8000)) {
+        return 0;
+    }
     return sizeof(s->buffer)-16;
 }
 

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