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From: Rick Macklem <rmacklem@FreeBSD.org>
Date: Sun, 5 Jun 2011 17:31:44 +0000 (UTC)
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Subject: svn commit: r222718 - head/sys/fs/nfsclient
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Author: rmacklem
Date: Sun Jun  5 17:31:44 2011
New Revision: 222718
URL: http://svn.freebsd.org/changeset/base/222718

Log:
  Fix the new NFSv4 client so that it doesn't crash when
  a mount is done for a VIMAGE kernel.
  
  Tested by:	glz at hidden-powers dot com
  Reviewed by:	bz
  MFC after:	2 weeks

Modified:
  head/sys/fs/nfsclient/nfs_clport.c

Modified: head/sys/fs/nfsclient/nfs_clport.c
==============================================================================
--- head/sys/fs/nfsclient/nfs_clport.c	Sun Jun  5 14:46:42 2011	(r222717)
+++ head/sys/fs/nfsclient/nfs_clport.c	Sun Jun  5 17:31:44 2011	(r222718)
@@ -943,6 +943,7 @@ nfscl_getmyip(struct nfsmount *nmp, int 
 		sad.sin_family = AF_INET;
 		sad.sin_len = sizeof (struct sockaddr_in);
 		sad.sin_addr.s_addr = sin->sin_addr.s_addr;
+		CURVNET_SET(CRED_TO_VNET(nmp->nm_sockreq.nr_cred));
 		rt = rtalloc1((struct sockaddr *)&sad, 0, 0UL);
 		if (rt != NULL) {
 			if (rt->rt_ifp != NULL &&
@@ -956,6 +957,7 @@ nfscl_getmyip(struct nfsmount *nmp, int 
 			}
 			RTFREE_LOCKED(rt);
 		}
+		CURVNET_RESTORE();
 #ifdef INET6
 	} else if (nmp->nm_nam->sa_family == AF_INET6) {
 		struct sockaddr_in6 sad6, *sin6;
@@ -966,6 +968,7 @@ nfscl_getmyip(struct nfsmount *nmp, int 
 		sad6.sin6_family = AF_INET6;
 		sad6.sin6_len = sizeof (struct sockaddr_in6);
 		sad6.sin6_addr = sin6->sin6_addr;
+		CURVNET_SET(CRED_TO_VNET(nmp->nm_sockreq.nr_cred));
 		rt = rtalloc1((struct sockaddr *)&sad6, 0, 0UL);
 		if (rt != NULL) {
 			if (rt->rt_ifp != NULL &&
@@ -980,6 +983,7 @@ nfscl_getmyip(struct nfsmount *nmp, int 
 			}
 			RTFREE_LOCKED(rt);
 		}
+		CURVNET_RESTORE();
 #endif
 	}
 	return (retp);