diff options
| -rw-r--r-- | drivers/pcmcia/pcmcia_ioctl.c | 36 |
1 files changed, 20 insertions, 16 deletions
diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c index 7b424e0b044..32c44040c1e 100644 --- a/drivers/pcmcia/pcmcia_ioctl.c +++ b/drivers/pcmcia/pcmcia_ioctl.c @@ -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 bus_for_each_drv(&pcmcia_bus_type, NULL, + m, proc_read_drivers_callback); +} - return (p - buf); +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 } |