mon_stat.c (da733563be5a9da26fe81d9f007262d00b846e22) | mon_stat.c (4c08ccf0dc50a7a4e8d1ddc41e9e6d5d25aacdc1) |
---|---|
1/* 2 * The USB Monitor, inspired by Dave Harding's USBMon. 3 * 4 * This is the 's' or 'stat' reader which debugs usbmon itself. 5 * Note that this code blows through locks, so make sure that 6 * /dbg/usbmon/0s is well protected from non-root users. 7 * 8 */ --- 14 unchanged lines hidden (view full) --- 23 char str[STAT_BUF_SIZE]; 24}; 25 26static int mon_stat_open(struct inode *inode, struct file *file) 27{ 28 struct mon_bus *mbus; 29 struct snap *sp; 30 | 1/* 2 * The USB Monitor, inspired by Dave Harding's USBMon. 3 * 4 * This is the 's' or 'stat' reader which debugs usbmon itself. 5 * Note that this code blows through locks, so make sure that 6 * /dbg/usbmon/0s is well protected from non-root users. 7 * 8 */ --- 14 unchanged lines hidden (view full) --- 23 char str[STAT_BUF_SIZE]; 24}; 25 26static int mon_stat_open(struct inode *inode, struct file *file) 27{ 28 struct mon_bus *mbus; 29 struct snap *sp; 30 |
31 if ((sp = kmalloc(sizeof(struct snap), GFP_KERNEL)) == NULL) | 31 sp = kmalloc(sizeof(struct snap), GFP_KERNEL); 32 if (sp == NULL) |
32 return -ENOMEM; 33 34 mbus = inode->i_private; 35 36 sp->slen = snprintf(sp->str, STAT_BUF_SIZE, 37 "nreaders %d events %u text_lost %u\n", 38 mbus->nreaders, mbus->cnt_events, mbus->cnt_text_lost); 39 --- 30 unchanged lines hidden --- | 33 return -ENOMEM; 34 35 mbus = inode->i_private; 36 37 sp->slen = snprintf(sp->str, STAT_BUF_SIZE, 38 "nreaders %d events %u text_lost %u\n", 39 mbus->nreaders, mbus->cnt_events, mbus->cnt_text_lost); 40 --- 30 unchanged lines hidden --- |