Index: /trunk/include/VBox/intnetinline.h
===================================================================
--- /trunk/include/VBox/intnetinline.h	(revision 55953)
+++ /trunk/include/VBox/intnetinline.h	(revision 55954)
@@ -424,6 +424,6 @@
             if (offNew >= pRingBuf->offEnd)
                 offNew = pRingBuf->offStart;
-            if (RT_UNLIKELY(!ASMAtomicCmpXchgU32(&pRingBuf->offWriteInt, offNew, offWriteInt)))
-                return VERR_WRONG_ORDER; /* race */
+            if (RT_LIKELY(ASMAtomicCmpXchgU32(&pRingBuf->offWriteInt, offNew, offWriteInt)))
+            { /* likely */ } else return VERR_WRONG_ORDER; /* race */
             Log2(("intnetRingAllocateFrameInternal: offWriteInt: %#x -> %#x (1) (R=%#x T=%#x S=%#x)\n", offWriteInt, offNew, offRead, u8Type, cbFrame));
 
@@ -445,6 +445,6 @@
         {
             uint32_t offNew = pRingBuf->offStart + cb;
-            if (RT_UNLIKELY(!ASMAtomicCmpXchgU32(&pRingBuf->offWriteInt, offNew, offWriteInt)))
-                return VERR_WRONG_ORDER; /* race */
+            if (RT_LIKELY(ASMAtomicCmpXchgU32(&pRingBuf->offWriteInt, offNew, offWriteInt)))
+            { /* likely */ } else return VERR_WRONG_ORDER; /* race */
             Log2(("intnetRingAllocateFrameInternal: offWriteInt: %#x -> %#x (2) (R=%#x T=%#x S=%#x)\n", offWriteInt, offNew, offRead, u8Type, cbFrame));
 
@@ -465,6 +465,6 @@
     {
         uint32_t offNew = offWriteInt + cb + sizeof(INTNETHDR);
-        if (RT_UNLIKELY(!ASMAtomicCmpXchgU32(&pRingBuf->offWriteInt, offNew, offWriteInt)))
-            return VERR_WRONG_ORDER; /* race */
+        if (RT_LIKELY(ASMAtomicCmpXchgU32(&pRingBuf->offWriteInt, offNew, offWriteInt)))
+        { /* likely */ } else return VERR_WRONG_ORDER; /* race */
         Log2(("intnetRingAllocateFrameInternal: offWriteInt: %#x -> %#x (3) (R=%#x T=%#x S=%#x)\n", offWriteInt, offNew, offRead, u8Type, cbFrame));
 
@@ -661,6 +661,6 @@
             if (offNew >= pRingBuf->offEnd)
                 offNew = pRingBuf->offStart;
-            if (RT_UNLIKELY(!ASMAtomicCmpXchgU32(&pRingBuf->offWriteInt, offNew, offWriteInt)))
-                return VERR_WRONG_ORDER; /* race */
+            if (RT_LIKELY(ASMAtomicCmpXchgU32(&pRingBuf->offWriteInt, offNew, offWriteInt)))
+            { /* likely */ } else return VERR_WRONG_ORDER; /* race */
             Log2(("IntNetRingWriteFrame: offWriteInt: %#x -> %#x (1)\n", offWriteInt, offNew));
 
@@ -686,6 +686,6 @@
         {
             uint32_t offNew = pRingBuf->offStart + cb;
-            if (RT_UNLIKELY(!ASMAtomicCmpXchgU32(&pRingBuf->offWriteInt, offNew, offWriteInt)))
-                return VERR_WRONG_ORDER; /* race */
+            if (RT_LIKELY(ASMAtomicCmpXchgU32(&pRingBuf->offWriteInt, offNew, offWriteInt)))
+            { /* likely */ } else return VERR_WRONG_ORDER; /* race */
             Log2(("IntNetRingWriteFrame: offWriteInt: %#x -> %#x (2)\n", offWriteInt, offNew));
 
@@ -710,6 +710,6 @@
     {
         uint32_t offNew = offWriteInt + cb + sizeof(INTNETHDR);
-        if (RT_UNLIKELY(!ASMAtomicCmpXchgU32(&pRingBuf->offWriteInt, offNew, offWriteInt)))
-            return VERR_WRONG_ORDER; /* race */
+        if (RT_LIKELY(ASMAtomicCmpXchgU32(&pRingBuf->offWriteInt, offNew, offWriteInt)))
+        { /* likely */ } else return VERR_WRONG_ORDER; /* race */
         Log2(("IntNetRingWriteFrame: offWriteInt: %#x -> %#x (3)\n", offWriteInt, offNew));