PERFORCE change 167830 for review

[Marko Zec]

http://perforce.freebsd.org/chv.cgi?CH=167830

Change 167830 by zec at zec_tpx32 on 2009/08/26 12:06:34

	Attempt to properly set curvnet in linuxulator.  Not tested yet.

Affected files ...

.. //depot/projects/vimage-commit2/src/sys/compat/linux/linux_ioctl.c#24 edit

Differences ...

==== //depot/projects/vimage-commit2/src/sys/compat/linux/linux_ioctl.c#24 (text+ko) ====

@@ -2104,6 +2104,7 @@
 		return (NULL);
 	index = 0;
 	is_eth = (len == 3 && !strncmp(lxname, "eth", len)) ? 1 : 0;
+	CURVNET_SET(TD_TO_VNET(td));
 	IFNET_RLOCK();
 	TAILQ_FOREACH(ifp, &V_ifnet, if_link) {
 		/*
@@ -2117,6 +2118,7 @@
 			break;
 	}
 	IFNET_RUNLOCK();
+	CURVNET_RESTORE();
 	if (ifp != NULL)
 		strlcpy(bsdname, ifp->if_xname, IFNAMSIZ);
 	return (ifp);
@@ -2146,6 +2148,7 @@
 
 	max_len = MAXPHYS - 1;
 
+	CURVNET_SET(TD_TO_VNET(td));
 	/* handle the 'request buffer size' case */
 	if (ifc.ifc_buf == PTROUT(NULL)) {
 		ifc.ifc_len = 0;
@@ -2157,11 +2160,14 @@
 			}
 		}
 		error = copyout(&ifc, uifc, sizeof(ifc));
+		CURVNET_RESTORE();
 		return (error);
 	}
 
-	if (ifc.ifc_len <= 0)
+	if (ifc.ifc_len <= 0) {
+		CURVNET_RESTORE();
 		return (EINVAL);
+	}
 
 again:
 	/* Keep track of eth interfaces */
@@ -2223,6 +2229,7 @@
 	memcpy(PTRIN(ifc.ifc_buf), sbuf_data(sb), ifc.ifc_len);
 	error = copyout(&ifc, uifc, sizeof(ifc));
 	sbuf_delete(sb);
+	CURVNET_RESTORE();
 
 	return (error);
 }