X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fisdn%2Fhysdn%2Fhysdn_proclog.c;h=375d956884d73faa0c6168c56fa37748a0610dd9;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=c4301e8338eff58a4a01fc7f2120fbfeefe5dd3a;hpb=43bc926fffd92024b46cafaf7350d669ba9ca884;p=linux-2.6.git diff --git a/drivers/isdn/hysdn/hysdn_proclog.c b/drivers/isdn/hysdn/hysdn_proclog.c index c4301e833..375d95688 100644 --- a/drivers/isdn/hysdn/hysdn_proclog.c +++ b/drivers/isdn/hysdn/hysdn_proclog.c @@ -111,13 +111,12 @@ put_log_buffer(hysdn_card * card, char *cp) if (pd->if_used <= 0) return; /* no open file for read */ - if (!(ib = (struct log_data *) kmalloc(sizeof(struct log_data) + strlen(cp), GFP_ATOMIC))) + if (!(ib = kmalloc(sizeof(struct log_data) + strlen(cp), GFP_ATOMIC))) return; /* no memory */ strcpy(ib->log_start, cp); /* set output string */ ib->next = NULL; ib->proc_ctrl = pd; /* point to own control structure */ - save_flags(flags); - cli(); + spin_lock_irqsave(&card->hysdn_lock, flags); ib->usage_cnt = pd->if_used; if (!pd->log_head) pd->log_head = ib; /* new head */ @@ -125,7 +124,7 @@ put_log_buffer(hysdn_card * card, char *cp) pd->log_tail->next = ib; /* follows existing messages */ pd->log_tail = ib; /* new tail */ i = pd->del_lock++; /* get lock state */ - restore_flags(flags); + spin_unlock_irqrestore(&card->hysdn_lock, flags); /* delete old entrys */ if (!i) @@ -205,7 +204,7 @@ hysdn_log_read(struct file *file, char __user *buf, size_t count, loff_t * off) { struct log_data *inf; int len; - struct proc_dir_entry *pde = PDE(file->f_dentry->d_inode); + struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode); struct procdata *pd = NULL; hysdn_card *card; @@ -270,14 +269,13 @@ hysdn_log_open(struct inode *ino, struct file *filep) } else if ((filep->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_READ) { /* read access -> log/debug read */ - save_flags(flags); - cli(); + spin_lock_irqsave(&card->hysdn_lock, flags); pd->if_used++; if (pd->log_head) filep->private_data = &pd->log_tail->next; else filep->private_data = &pd->log_head; - restore_flags(flags); + spin_unlock_irqrestore(&card->hysdn_lock, flags); } else { /* simultaneous read/write access forbidden ! */ unlock_kernel(); return (-EPERM); /* no permission this time */ @@ -301,7 +299,7 @@ hysdn_log_close(struct inode *ino, struct file *filep) hysdn_card *card; int retval = 0; unsigned long flags; - + spinlock_t hysdn_lock = SPIN_LOCK_UNLOCKED; lock_kernel(); if ((filep->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_WRITE) { @@ -311,8 +309,7 @@ hysdn_log_close(struct inode *ino, struct file *filep) /* read access -> log/debug read, mark one further file as closed */ pd = NULL; - save_flags(flags); - cli(); + spin_lock_irqsave(&hysdn_lock, flags); inf = *((struct log_data **) filep->private_data); /* get first log entry */ if (inf) pd = (struct procdata *) inf->proc_ctrl; /* still entries there */ @@ -335,7 +332,7 @@ hysdn_log_close(struct inode *ino, struct file *filep) inf->usage_cnt--; /* decrement usage count for buffers */ inf = inf->next; } - restore_flags(flags); + spin_unlock_irqrestore(&hysdn_lock, flags); if (pd) if (pd->if_used <= 0) /* delete buffers if last file closed */ @@ -357,7 +354,7 @@ static unsigned int hysdn_log_poll(struct file *file, poll_table * wait) { unsigned int mask = 0; - struct proc_dir_entry *pde = PDE(file->f_dentry->d_inode); + struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode); hysdn_card *card; struct procdata *pd = NULL; @@ -408,8 +405,7 @@ hysdn_proclog_init(hysdn_card * card) /* create a cardlog proc entry */ - if ((pd = (struct procdata *) kmalloc(sizeof(struct procdata), GFP_KERNEL)) != NULL) { - memset(pd, 0, sizeof(struct procdata)); + if ((pd = kzalloc(sizeof(struct procdata), GFP_KERNEL)) != NULL) { sprintf(pd->log_name, "%s%d", PROC_LOG_BASENAME, card->myid); if ((pd->log = create_proc_entry(pd->log_name, S_IFREG | S_IRUGO | S_IWUSR, hysdn_proc_entry)) != NULL) { pd->log->proc_fops = &log_fops;