SUNRPC: RPC program information is stored in unsigned integers

Clean up: When looping over RPC version and procedure numbers, use
unsigned index variables.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

net/sunrpc/stats.c

@@ -33,7 +33,7 @@ struct proc_dir_entry	*proc_net_rpc = NULL;
 static int rpc_proc_show(struct seq_file *seq, void *v) {
 	const struct rpc_stat	*statp = seq->private;
 	const struct rpc_program *prog = statp->program;
-	int		i, j;
+	unsigned int i, j;
 
 	seq_printf(seq,
 		"net %u %u %u %u\n",
@@ -81,7 +81,7 @@ void svc_seq_show(struct seq_file *seq, const struct svc_stat *statp) {
 	const struct svc_program *prog = statp->program;
 	const struct svc_procedure *proc;
 	const struct svc_version *vers;
-	int		i, j;
+	unsigned int i, j;
 
 	seq_printf(seq,
 		"net %u %u %u %u\n",

net/sunrpc/svc.c

@@ -364,7 +364,7 @@ __svc_create(struct svc_program *prog, unsigned int bufsize, int npools,
 	   void (*shutdown)(struct svc_serv *serv))
 {
 	struct svc_serv	*serv;
-	int vers;
+	unsigned int vers;
 	unsigned int xdrsize;
 	unsigned int i;
 
@@ -763,7 +763,8 @@ svc_register(struct svc_serv *serv, int proto, unsigned short port)
 {
 	struct svc_program	*progp;
 	unsigned long		flags;
-	int			i, error = 0, dummy;
+	unsigned int		i;
+	int			error = 0, dummy;
 
 	if (!port)
 		clear_thread_flag(TIF_SIGPENDING);