[PATCH] knfsd: svcrpc: gss: server-side implementation of rpcsec_gss privacy

Server-side implementation of rpcsec_gss privacy, which enables encryption of
the payload of every rpc request and response.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index fb168a3..01ba60a 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -280,6 +280,7 @@
 	rqstp->rq_res.page_base = 0;
 	rqstp->rq_res.page_len = 0;
 	rqstp->rq_res.buflen = PAGE_SIZE;
+	rqstp->rq_res.tail[0].iov_base = NULL;
 	rqstp->rq_res.tail[0].iov_len = 0;
 	/* Will be turned off only in gss privacy case: */
 	rqstp->rq_sendfile_ok = 1;