USB: serial: clean up endpoint and port-counter types

Use unsigned-char type for the endpoint and port counters.

Signed-off-by: Johan Hovold <johan@kernel.org>

1 files changed, 7 insertions, 7 deletions

diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index c20d90ed1ef2..e5b859ad15c6 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -728,12 +728,12 @@ static int usb_serial_probe(struct usb_interface *interface,
         int buffer_size;
         int i;
         int j;
-        int num_interrupt_in = 0;
-        int num_interrupt_out = 0;
-        int num_bulk_in = 0;
-        int num_bulk_out = 0;
+        unsigned char num_interrupt_in = 0;
+        unsigned char num_interrupt_out = 0;
+        unsigned char num_bulk_in = 0;
+        unsigned char num_bulk_out = 0;
         int num_ports = 0;
-        int max_endpoints;
+        unsigned char max_endpoints;
 
         mutex_lock(&table_lock);
         type = search_serial_device(interface);
@@ -879,7 +879,7 @@ static int usb_serial_probe(struct usb_interface *interface,
                 num_ports = MAX_NUM_PORTS;
         }
 
-        serial->num_ports = num_ports;
+        serial->num_ports = (unsigned char)num_ports;
         serial->num_bulk_in = num_bulk_in;
         serial->num_bulk_out = num_bulk_out;
         serial->num_interrupt_in = num_interrupt_in;
@@ -894,7 +894,7 @@ static int usb_serial_probe(struct usb_interface *interface,
         max_endpoints = max(num_bulk_in, num_bulk_out);
         max_endpoints = max(max_endpoints, num_interrupt_in);
         max_endpoints = max(max_endpoints, num_interrupt_out);
-        max_endpoints = max(max_endpoints, (int)serial->num_ports);
+        max_endpoints = max(max_endpoints, serial->num_ports);
         serial->num_port_pointers = max_endpoints;
 
         dev_dbg(ddev, "setting up %d port structure(s)\n", max_endpoints);