[PATCH] nfsd4: clean up nfs4_preprocess_seqid_op

As long as we're here, do some miscellaneous cleanup.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 67e03b5d0d8317c95576aefae4e39192af10b243..59b214f01b6db6473be0c27048ccf1acddd2bb50 100644 (file)
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2165,7 +2165,6 @@ out:
 static int
 nfs4_preprocess_seqid_op(struct svc_fh *current_fh, u32 seqid, stateid_t *stateid, int flags, struct nfs4_stateowner **sopp, struct nfs4_stateid **stpp, clientid_t *lockclid)
 {
-       int status;
        struct nfs4_stateid *stp;
        struct nfs4_stateowner *sop;
 
@@ -2173,19 +2172,17 @@ nfs4_preprocess_seqid_op(struct svc_fh *current_fh, u32 seqid, stateid_t *statei
                        "stateid = (%08x/%08x/%08x/%08x)\n", seqid,
                stateid->si_boot, stateid->si_stateownerid, stateid->si_fileid,
                stateid->si_generation);
-                               
+
        *stpp = NULL;
        *sopp = NULL;
 
-       status = nfserr_bad_stateid;
        if (ZERO_STATEID(stateid) || ONE_STATEID(stateid)) {
                printk("NFSD: preprocess_seqid_op: magic stateid!\n");
-               goto out;
+               return nfserr_bad_stateid;
        }
 
-       status = nfserr_stale_stateid;
        if (STALE_STATEID(stateid))
-               goto out;
+               return nfserr_stale_stateid;
        /*
        * We return BAD_STATEID if filehandle doesn't match stateid, 
        * the confirmed flag is incorrecly set, or the generation 
@@ -2204,8 +2201,6 @@ nfs4_preprocess_seqid_op(struct svc_fh *current_fh, u32 seqid, stateid_t *statei
                goto check_replay;
        }
 
-       status = nfserr_bad_stateid;
-
        /* for new lock stateowners:
         * check that the lock->v.new.open_stateid
         * refers to an open stateowner
@@ -2218,14 +2213,14 @@ nfs4_preprocess_seqid_op(struct svc_fh *current_fh, u32 seqid, stateid_t *statei
                struct nfs4_client *clp = sop->so_client;
 
                if (!sop->so_is_open_owner)
-                       goto out;
+                       return nfserr_bad_stateid;
                if (!cmp_clid(&clp->cl_clientid, lockclid))
-                       goto out;
+                       return nfserr_bad_stateid;
        }
 
        if ((flags & CHECK_FH) && nfs4_check_fh(current_fh, stp)) {
                printk("NFSD: preprocess_seqid_op: fh-stateid mismatch!\n");
-               goto out;
+               return nfserr_bad_stateid;
        }
 
        *stpp = stp;
@@ -2239,45 +2234,38 @@ nfs4_preprocess_seqid_op(struct svc_fh *current_fh, u32 seqid, stateid_t *statei
        if (seqid != sop->so_seqid)
                goto check_replay;
 
-       if (sop->so_confirmed) {
-               if (flags & CONFIRM) {
-                       printk("NFSD: preprocess_seqid_op: expected unconfirmed stateowner!\n");
-                       goto out;
-               }
+       if (sop->so_confirmed && flags & CONFIRM) {
+               printk("NFSD: preprocess_seqid_op: expected"
+                               " unconfirmed stateowner!\n");
+               return nfserr_bad_stateid;
        }
-       else {
-               if (!(flags & CONFIRM)) {
-                       printk("NFSD: preprocess_seqid_op: stateowner not confirmed yet!\n");
-                       goto out;
-               }
+       if (!sop->so_confirmed && !(flags & CONFIRM)) {
+               printk("NFSD: preprocess_seqid_op: stateowner not"
+                               " confirmed yet!\n");
+               return nfserr_bad_stateid;
        }
        if (stateid->si_generation > stp->st_stateid.si_generation) {
                printk("NFSD: preprocess_seqid_op: future stateid?!\n");
-               goto out;
+               return nfserr_bad_stateid;
        }
 
-       status = nfserr_old_stateid;
        if (stateid->si_generation < stp->st_stateid.si_generation) {
                printk("NFSD: preprocess_seqid_op: old stateid!\n");
-               goto out;
+               return nfserr_old_stateid;
        }
        renew_client(sop->so_client);
-       status = nfs_ok;
+       return nfs_ok;
 
-out:
-       return status;
 check_replay:
        if (seqid == sop->so_seqid - 1) {
                printk("NFSD: preprocess_seqid_op: retransmission?\n");
                /* indicate replay to calling function */
-               status = NFSERR_REPLAY_ME;
-       } else  {
-               printk("NFSD: preprocess_seqid_op: bad seqid (expected %d, got %d\n", sop->so_seqid, seqid);
-
-               *sopp = NULL;
-               status = nfserr_bad_seqid;
+               return NFSERR_REPLAY_ME;
        }
-       goto out;
+       printk("NFSD: preprocess_seqid_op: bad seqid (expected %d, got %d)\n",
+                       sop->so_seqid, seqid);
+       *sopp = NULL;
+       return nfserr_bad_seqid;
 }
 
 int