linux-kernel - [PATCH 13/15] knfsd: remove code duplication in nfsd4

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Date:	Mon, 27 Aug 2007 16:22:54 -0400
From:	"J. Bruce Fields" <bfields@...ldses.org>
To:	linux-kernel@...r.kernel.org
Cc:	nfs@...ts.sourceforge.net, Neil Brown <neilb@...e.de>,
	"J. Bruce Fields" <bfields@...i.umich.edu>
Subject: [PATCH 13/15] knfsd: remove code duplication in nfsd4_setclientid()

From: J. Bruce Fields <bfields@...i.umich.edu>

Each branch of this if-then-else has a bunch of duplicated code that we
could just put at the end.

Signed-off-by: "J. Bruce Fields" <bfields@...i.umich.edu>
---
 fs/nfsd/nfs4state.c |   30 ++++++------------------------
 1 files changed, 6 insertions(+), 24 deletions(-)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 09573b9..6256492 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -774,13 +774,7 @@ nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 		new = create_client(clname, dname);
 		if (new == NULL)
 			goto out;
-		copy_verf(new, &clverifier);
-		new->cl_addr = sin->sin_addr.s_addr;
-		copy_cred(&new->cl_cred,&rqstp->rq_cred);
 		gen_clid(new);
-		gen_confirm(new);
-		gen_callback(new, setclid);
-		add_to_unconfirmed(new, strhashval);
 	} else if (same_verf(&conf->cl_verifier, &clverifier)) {
 		/*
 		 * CASE 1:
@@ -806,13 +800,7 @@ nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 		new = create_client(clname, dname);
 		if (new == NULL)
 			goto out;
-		copy_verf(new,&conf->cl_verifier);
-		new->cl_addr = sin->sin_addr.s_addr;
-		copy_cred(&new->cl_cred,&rqstp->rq_cred);
 		copy_clid(new, conf);
-		gen_confirm(new);
-		gen_callback(new, setclid);
-		add_to_unconfirmed(new,strhashval);
 	} else if (!unconf) {
 		/*
 		 * CASE 2:
@@ -825,13 +813,7 @@ nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 		new = create_client(clname, dname);
 		if (new == NULL)
 			goto out;
-		copy_verf(new,&clverifier);
-		new->cl_addr = sin->sin_addr.s_addr;
-		copy_cred(&new->cl_cred,&rqstp->rq_cred);
 		gen_clid(new);
-		gen_confirm(new);
-		gen_callback(new, setclid);
-		add_to_unconfirmed(new, strhashval);
 	} else if (!same_verf(&conf->cl_confirm, &unconf->cl_confirm)) {
 		/*	
 		 * CASE3:
@@ -852,19 +834,19 @@ nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 		new = create_client(clname, dname);
 		if (new == NULL)
 			goto out;
-		copy_verf(new,&clverifier);
-		new->cl_addr = sin->sin_addr.s_addr;
-		copy_cred(&new->cl_cred,&rqstp->rq_cred);
 		gen_clid(new);
-		gen_confirm(new);
-		gen_callback(new, setclid);
-		add_to_unconfirmed(new, strhashval);
 	} else {
 		/* No cases hit !!! */
 		status = nfserr_inval;
 		goto out;
 
 	}
+	copy_verf(new, &clverifier);
+	new->cl_addr = sin->sin_addr.s_addr;
+	copy_cred(&new->cl_cred, &rqstp->rq_cred);
+	gen_confirm(new);
+	gen_callback(new, setclid);
+	add_to_unconfirmed(new, strhashval);
 	setclid->se_clientid.cl_boot = new->cl_clientid.cl_boot;
 	setclid->se_clientid.cl_id = new->cl_clientid.cl_id;
 	memcpy(setclid->se_confirm.data, new->cl_confirm.data, sizeof(setclid->se_confirm.data));
-- 
1.5.3.rc5.19.g0734d

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