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path: root/drivers/net/usb/hso.c
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Diffstat (limited to 'drivers/net/usb/hso.c')
-rw-r--r--drivers/net/usb/hso.c43
1 files changed, 24 insertions, 19 deletions
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 35a7772cf1a6..1b7cac77159e 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -102,8 +102,12 @@
102 102
103#define MAX_RX_URBS 2 103#define MAX_RX_URBS 2
104 104
105#define get_serial_by_tty(x) \ 105static inline struct hso_serial *get_serial_by_tty(struct tty_struct *tty)
106 (x ? (struct hso_serial *)x->driver_data : NULL) 106{
107 if (tty)
108 return tty->driver_data;
109 return NULL;
110}
107 111
108/*****************************************************************************/ 112/*****************************************************************************/
109/* Debugging functions */ 113/* Debugging functions */
@@ -294,24 +298,25 @@ static int hso_get_activity(struct hso_device *hso_dev);
294 298
295/* #define DEBUG */ 299/* #define DEBUG */
296 300
297#define dev2net(x) (x->port_data.dev_net) 301static inline struct hso_net *dev2net(struct hso_device *hso_dev)
298#define dev2ser(x) (x->port_data.dev_serial) 302{
303 return hso_dev->port_data.dev_net;
304}
305
306static inline struct hso_serial *dev2ser(struct hso_device *hso_dev)
307{
308 return hso_dev->port_data.dev_serial;
309}
299 310
300/* Debugging functions */ 311/* Debugging functions */
301#ifdef DEBUG 312#ifdef DEBUG
302static void dbg_dump(int line_count, const char *func_name, unsigned char *buf, 313static void dbg_dump(int line_count, const char *func_name, unsigned char *buf,
303 unsigned int len) 314 unsigned int len)
304{ 315{
305 u8 i = 0; 316 static char name[255];
306
307 printk(KERN_DEBUG "[%d:%s]: len %d", line_count, func_name, len);
308 317
309 for (i = 0; i < len; i++) { 318 sprintf(name, "hso[%d:%s]", line_count, func_name);
310 if (!(i % 16)) 319 print_hex_dump_bytes(name, DUMP_PREFIX_NONE, buf, len);
311 printk("\n 0x%03x: ", i);
312 printk("%02x ", (unsigned char)buf[i]);
313 }
314 printk("\n");
315} 320}
316 321
317#define DUMP(buf_, len_) \ 322#define DUMP(buf_, len_) \
@@ -528,13 +533,12 @@ static struct hso_serial *get_serial_by_shared_int_and_type(
528 533
529static struct hso_serial *get_serial_by_index(unsigned index) 534static struct hso_serial *get_serial_by_index(unsigned index)
530{ 535{
531 struct hso_serial *serial; 536 struct hso_serial *serial = NULL;
532 unsigned long flags; 537 unsigned long flags;
533 538
534 if (!serial_table[index])
535 return NULL;
536 spin_lock_irqsave(&serial_table_lock, flags); 539 spin_lock_irqsave(&serial_table_lock, flags);
537 serial = dev2ser(serial_table[index]); 540 if (serial_table[index])
541 serial = dev2ser(serial_table[index]);
538 spin_unlock_irqrestore(&serial_table_lock, flags); 542 spin_unlock_irqrestore(&serial_table_lock, flags);
539 543
540 return serial; 544 return serial;
@@ -561,6 +565,7 @@ static int get_free_serial_index(void)
561static void set_serial_by_index(unsigned index, struct hso_serial *serial) 565static void set_serial_by_index(unsigned index, struct hso_serial *serial)
562{ 566{
563 unsigned long flags; 567 unsigned long flags;
568
564 spin_lock_irqsave(&serial_table_lock, flags); 569 spin_lock_irqsave(&serial_table_lock, flags);
565 if (serial) 570 if (serial)
566 serial_table[index] = serial->parent; 571 serial_table[index] = serial->parent;
@@ -569,7 +574,7 @@ static void set_serial_by_index(unsigned index, struct hso_serial *serial)
569 spin_unlock_irqrestore(&serial_table_lock, flags); 574 spin_unlock_irqrestore(&serial_table_lock, flags);
570} 575}
571 576
572/* log a meaningfull explanation of an USB status */ 577/* log a meaningful explanation of an USB status */
573static void log_usb_status(int status, const char *function) 578static void log_usb_status(int status, const char *function)
574{ 579{
575 char *explanation; 580 char *explanation;
@@ -2654,7 +2659,7 @@ static void hso_free_interface(struct usb_interface *interface)
2654 hso_stop_net_device(network_table[i]); 2659 hso_stop_net_device(network_table[i]);
2655 cancel_work_sync(&network_table[i]->async_put_intf); 2660 cancel_work_sync(&network_table[i]->async_put_intf);
2656 cancel_work_sync(&network_table[i]->async_get_intf); 2661 cancel_work_sync(&network_table[i]->async_get_intf);
2657 if(rfk) 2662 if (rfk)
2658 rfkill_unregister(rfk); 2663 rfkill_unregister(rfk);
2659 hso_free_net_device(network_table[i]); 2664 hso_free_net_device(network_table[i]);
2660 } 2665 }