PERFORCE change 17045 for review

Chris Vance cvance at freebsd.org
Wed Sep 4 15:47:37 GMT 2002


http://people.freebsd.org/~peter/p4db/chv.cgi?CH=17045

Change 17045 by cvance at cvance_laptop on 2002/09/04 08:47:29

		Add new goto target for MAC code in mmap.  On error, make sure to 
	grab Giant before possibly calling vput() 

Affected files ...

.. //depot/projects/trustedbsd/mac/sys/vm/vm_mmap.c#14 edit

Differences ...

==== //depot/projects/trustedbsd/mac/sys/vm/vm_mmap.c#14 (text+ko) ====

@@ -450,7 +450,7 @@
 			    (struct vnode *)handle, 1);
 			if ((prot & macmaxprot) != prot) {
 				error = EACCES;
-				goto done;
+				goto macdone;
 			}
 			maxprot &= macmaxprot;
 		}
@@ -462,6 +462,9 @@
 #endif /* MAC */
 	error = vm_mmap(&vms->vm_map, &addr, size, prot, maxprot,
 	    flags, handle, pos);
+#ifdef MAC
+macdone:
+#endif
 	mtx_lock(&Giant);
 	if (error == 0)
 		td->td_retval[0] = (register_t) (addr + pageoff);
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