Merge create_session decoding fix into for-2.6.39

This needs a further fixup!

fs/nfsd/nfs4callback.c

@@ -432,7 +432,7 @@ static int decode_cb_sequence4resok(struct xdr_stream *xdr,
 	 * If the server returns different values for sessionID, slotID or
 	 * sequence number, the server is looney tunes.
 	 */
-	p = xdr_inline_decode(xdr, NFS4_MAX_SESSIONID_LEN + 4 + 4);
+	p = xdr_inline_decode(xdr, NFS4_MAX_SESSIONID_LEN + 4 + 4 + 4 + 4);
 	if (unlikely(p == NULL))
 		goto out_overflow;
 	memcpy(id.data, p, NFS4_MAX_SESSIONID_LEN);

fs/nfsd/nfs4state.c

@@ -2446,15 +2446,16 @@ nfs4_check_delegmode(struct nfs4_delegation *dp, int flags)
 static struct nfs4_delegation *
 find_delegation_file(struct nfs4_file *fp, stateid_t *stid)
 {
-	struct nfs4_delegation *dp = NULL;
+	struct nfs4_delegation *dp;
 
 	spin_lock(&recall_lock);
-	list_for_each_entry(dp, &fp->fi_delegations, dl_perfile) {
-		if (dp->dl_stateid.si_stateownerid == stid->si_stateownerid)
-			break;
-	}
+	list_for_each_entry(dp, &fp->fi_delegations, dl_perfile)
+		if (dp->dl_stateid.si_stateownerid == stid->si_stateownerid) {
+			spin_unlock(&recall_lock);
+			return dp;
+		}
 	spin_unlock(&recall_lock);
-	return dp;
+	return NULL;
 }
 
 int share_access_to_flags(u32 share_access)

fs/nfsd/nfs4xdr.c

@@ -1142,7 +1142,7 @@ nfsd4_decode_create_session(struct nfsd4_compoundargs *argp,
 
 	u32 dummy;
 	char *machine_name;
-	int i;
+	int i, j;
 	int nr_secflavs;
 
 	READ_BUF(16);
@@ -1215,7 +1215,7 @@ nfsd4_decode_create_session(struct nfsd4_compoundargs *argp,
 			READ_BUF(4);
 			READ32(dummy);
 			READ_BUF(dummy * 4);
-			for (i = 0; i < dummy; ++i)
+			for (j = 0; j < dummy; ++j)
 				READ32(dummy);
 			break;
 		case RPC_AUTH_GSS: