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pcmcia: switch /proc/bus/pccard/drivers to seq_file 

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan 2009-09-21 17:03:55 -07:00 committed by Linus Torvalds
parent 470967dc6c
commit e6be4a8c26
1 changed files with 21 additions and 17 deletions
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38
drivers/pcmcia/pcmcia_ioctl.c
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@ -27,6 +27,7 @@
#include <linux/proc_fs.h>
#include <linux/poll.h>
#include <linux/pci.h>
#include <linux/seq_file.h>
#include <linux/smp_lock.h>
#include <linux/workqueue.h>
@ -105,37 +106,40 @@ static struct pcmcia_driver *get_pcmcia_driver(dev_info_t *dev_info)
#ifdef CONFIG_PROC_FS
static struct proc_dir_entry *proc_pccard = NULL;
static int proc_read_drivers_callback(struct device_driver *driver, void *d)
static int proc_read_drivers_callback(struct device_driver *driver, void *_m)
{
char **p = d;
struct seq_file *m = _m;
struct pcmcia_driver *p_drv = container_of(driver,
struct pcmcia_driver, drv);
*p += sprintf(*p, "%-24.24s 1 %d\n", p_drv->drv.name,
seq_printf(m, "%-24.24s 1 %d\n", p_drv->drv.name,
#ifdef CONFIG_MODULE_UNLOAD
(p_drv->owner) ? module_refcount(p_drv->owner) : 1
#else
1
#endif
);
d = (void *) p;
return 0;
}
static int proc_read_drivers(char *buf, char **start, off_t pos,
int count, int *eof, void *data)
static int pccard_drivers_proc_show(struct seq_file *m, void *v)
{
char *p = buf;
int rc;
rc = bus_for_each_drv(&pcmcia_bus_type, NULL,
(void *) &p, proc_read_drivers_callback);
if (rc < 0)
return rc;
return (p - buf);
return bus_for_each_drv(&pcmcia_bus_type, NULL,
m, proc_read_drivers_callback);
}
static int pccard_drivers_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, pccard_drivers_proc_show, NULL);
}
static const struct file_operations pccard_drivers_proc_fops = {
.owner = THIS_MODULE,
.open = pccard_drivers_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
#endif
@ -1011,7 +1015,7 @@ void __init pcmcia_setup_ioctl(void) {
#ifdef CONFIG_PROC_FS
proc_pccard = proc_mkdir("bus/pccard", NULL);
if (proc_pccard)
create_proc_read_entry("drivers",0,proc_pccard,proc_read_drivers,NULL);
proc_create("drivers", 0, proc_pccard, &pccard_drivers_proc_fops);
#endif
}