Use unsigned-char type for the endpoint and port counters.
Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
---
drivers/usb/serial/usb-serial.c | 14 +++++++-------
include/linux/usb/serial.h | 11 ++++++-----
2 files changed, 13 insertions(+), 12 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);
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index 704a1ab8240c..85b475933848 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -159,10 +159,10 @@ struct usb_serial {
unsigned char minors_reserved:1;
unsigned char num_ports;
unsigned char num_port_pointers;
- char num_interrupt_in;
- char num_interrupt_out;
- char num_bulk_in;
- char num_bulk_out;
+ unsigned char num_interrupt_in;
+ unsigned char num_interrupt_out;
+ unsigned char num_bulk_in;
+ unsigned char num_bulk_out;
struct usb_serial_port *port[MAX_NUM_PORTS];
struct kref kref;
struct mutex disc_mutex;
@@ -227,13 +227,14 @@ static inline void usb_set_serial_data(struct usb_serial *serial, void *data)
struct usb_serial_driver {
const char *description;
const struct usb_device_id *id_table;
- char num_ports;
struct list_head driver_list;
struct device_driver driver;
struct usb_driver *usb_driver;
struct usb_dynids dynids;
+ unsigned char num_ports;
+
size_t bulk_in_size;
size_t bulk_out_size;
--
2.12.0
--
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