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USB: HSO: minor fixes due to code review

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Fix up problems in hso.c driver as pointed out by Andrew.

Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Greg Kroah-Hartman 2008-08-08 12:02:57 -07:00 committed by Jeff Garzik
parent 6c59f56978
commit 0235f64175
1 changed files with 24 additions and 19 deletions
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43
drivers/net/usb/hso.c
View file

@ -102,8 +102,12 @@
#define MAX_RX_URBS 2
#define get_serial_by_tty(x) \
(x ? (struct hso_serial *)x->driver_data : NULL)
static inline struct hso_serial *get_serial_by_tty(struct tty_struct *tty)
{
if (tty)
return tty->driver_data;
return NULL;
}
/*****************************************************************************/
/* Debugging functions */
@ -294,24 +298,25 @@ static int hso_get_activity(struct hso_device *hso_dev);
/* #define DEBUG */
#define dev2net(x) (x->port_data.dev_net)
#define dev2ser(x) (x->port_data.dev_serial)
static inline struct hso_net *dev2net(struct hso_device *hso_dev)
{
return hso_dev->port_data.dev_net;
}
static inline struct hso_serial *dev2ser(struct hso_device *hso_dev)
{
return hso_dev->port_data.dev_serial;
}
/* Debugging functions */
#ifdef DEBUG
static void dbg_dump(int line_count, const char *func_name, unsigned char *buf,
unsigned int len)
{
u8 i = 0;
static char name[255];
printk(KERN_DEBUG "[%d:%s]: len %d", line_count, func_name, len);
for (i = 0; i < len; i++) {
if (!(i % 16))
printk("\n 0x%03x: ", i);
printk("%02x ", (unsigned char)buf[i]);
}
printk("\n");
sprintf(name, "hso[%d:%s]", line_count, func_name);
print_hex_dump_bytes(name, DUMP_PREFIX_NONE, buf, len);
}
#define DUMP(buf_, len_) \
@ -528,13 +533,12 @@ static struct hso_serial *get_serial_by_shared_int_and_type(
static struct hso_serial *get_serial_by_index(unsigned index)
{
struct hso_serial *serial;
struct hso_serial *serial = NULL;
unsigned long flags;
if (!serial_table[index])
return NULL;
spin_lock_irqsave(&serial_table_lock, flags);
serial = dev2ser(serial_table[index]);
if (serial_table[index])
serial = dev2ser(serial_table[index]);
spin_unlock_irqrestore(&serial_table_lock, flags);
return serial;
@ -561,6 +565,7 @@ static int get_free_serial_index(void)
static void set_serial_by_index(unsigned index, struct hso_serial *serial)
{
unsigned long flags;
spin_lock_irqsave(&serial_table_lock, flags);
if (serial)
serial_table[index] = serial->parent;
@ -569,7 +574,7 @@ static void set_serial_by_index(unsigned index, struct hso_serial *serial)
spin_unlock_irqrestore(&serial_table_lock, flags);
}
/* log a meaningfull explanation of an USB status */
/* log a meaningful explanation of an USB status */
static void log_usb_status(int status, const char *function)
{
char *explanation;
@ -2654,7 +2659,7 @@ static void hso_free_interface(struct usb_interface *interface)
hso_stop_net_device(network_table[i]);
cancel_work_sync(&network_table[i]->async_put_intf);
cancel_work_sync(&network_table[i]->async_get_intf);
if(rfk)
if (rfk)
rfkill_unregister(rfk);
hso_free_net_device(network_table[i]);
}