Changeset 5200 in vbox for trunk/src/VBox/VMM/PATM

Timestamp:

Oct 9, 2007 12:34:23 PM (17 years ago)

Author:

vboxsync

Message:

check pointers

File:

• trunk/src/VBox/VMM/PATM/CSAM.cpp (modified) (1 diff)

trunk/src/VBox/VMM/PATM/CSAM.cpp

@@ -2256 +2256 @@
         {
             RTGCPTR pHandler = pVM->csam.s.pvCallInstruction[i];
-            CSAMP2GLOOKUPREC cacheRec = {0};            /* Cache record for PATMGCVirtToHCVirt. */
-            PCSAMPAGE pPage = NULL;
-
-            Log(("CSAMCheckGates: checking previous call instruction %VGv\n", pHandler));
-            STAM_PROFILE_START(&pVM->csam.s.StatTime, a);
-            rc = csamAnalyseCodeStream(pVM, pHandler, pHandler, true, CSAMR3AnalyseCallback, pPage, &cacheRec);
-            STAM_PROFILE_STOP(&pVM->csam.s.StatTime, a);
-            if (rc != VINF_SUCCESS)
+
+            if (pHandler)
             {
-                Log(("CSAMCheckGates: csamAnalyseCodeStream failed with %d\n", rc));
-                continue;
+                CSAMP2GLOOKUPREC cacheRec = {0};            /* Cache record for PATMGCVirtToHCVirt. */
+                PCSAMPAGE pPage = NULL;
+
+                Log(("CSAMCheckGates: checking previous call instruction %VGv\n", pHandler));
+                STAM_PROFILE_START(&pVM->csam.s.StatTime, a);
+                rc = csamAnalyseCodeStream(pVM, pHandler, pHandler, true, CSAMR3AnalyseCallback, pPage, &cacheRec);
+                STAM_PROFILE_STOP(&pVM->csam.s.StatTime, a);
+                if (rc != VINF_SUCCESS)
+                {
+                    Log(("CSAMCheckGates: csamAnalyseCodeStream failed with %d\n", rc));
+                    continue;
+                }
             }
         }