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Diffstat (limited to 'fs/proc/proc_tty.c')
-rw-r--r--fs/proc/proc_tty.c87
1 files changed, 17 insertions, 70 deletions
diff --git a/fs/proc/proc_tty.c b/fs/proc/proc_tty.c
index 21f490f5d65..cb761f01030 100644
--- a/fs/proc/proc_tty.c
+++ b/fs/proc/proc_tty.c
@@ -36,27 +36,27 @@ static void show_tty_range(struct seq_file *m, struct tty_driver *p,
}
switch (p->type) {
case TTY_DRIVER_TYPE_SYSTEM:
- seq_printf(m, "system");
+ seq_puts(m, "system");
if (p->subtype == SYSTEM_TYPE_TTY)
- seq_printf(m, ":/dev/tty");
+ seq_puts(m, ":/dev/tty");
else if (p->subtype == SYSTEM_TYPE_SYSCONS)
- seq_printf(m, ":console");
+ seq_puts(m, ":console");
else if (p->subtype == SYSTEM_TYPE_CONSOLE)
- seq_printf(m, ":vtmaster");
+ seq_puts(m, ":vtmaster");
break;
case TTY_DRIVER_TYPE_CONSOLE:
- seq_printf(m, "console");
+ seq_puts(m, "console");
break;
case TTY_DRIVER_TYPE_SERIAL:
- seq_printf(m, "serial");
+ seq_puts(m, "serial");
break;
case TTY_DRIVER_TYPE_PTY:
if (p->subtype == PTY_TYPE_MASTER)
- seq_printf(m, "pty:master");
+ seq_puts(m, "pty:master");
else if (p->subtype == PTY_TYPE_SLAVE)
- seq_printf(m, "pty:slave");
+ seq_puts(m, "pty:slave");
else
- seq_printf(m, "pty");
+ seq_puts(m, "pty");
break;
default:
seq_printf(m, "type:%d.%d", p->type, p->subtype);
@@ -74,19 +74,19 @@ static int show_tty_driver(struct seq_file *m, void *v)
/* pseudo-drivers first */
seq_printf(m, "%-20s /dev/%-8s ", "/dev/tty", "tty");
seq_printf(m, "%3d %7d ", TTYAUX_MAJOR, 0);
- seq_printf(m, "system:/dev/tty\n");
+ seq_puts(m, "system:/dev/tty\n");
seq_printf(m, "%-20s /dev/%-8s ", "/dev/console", "console");
seq_printf(m, "%3d %7d ", TTYAUX_MAJOR, 1);
- seq_printf(m, "system:console\n");
+ seq_puts(m, "system:console\n");
#ifdef CONFIG_UNIX98_PTYS
seq_printf(m, "%-20s /dev/%-8s ", "/dev/ptmx", "ptmx");
seq_printf(m, "%3d %7d ", TTYAUX_MAJOR, 2);
- seq_printf(m, "system\n");
+ seq_puts(m, "system\n");
#endif
#ifdef CONFIG_VT
seq_printf(m, "%-20s /dev/%-8s ", "/dev/vc/0", "vc/0");
seq_printf(m, "%3d %7d ", TTY_MAJOR, 0);
- seq_printf(m, "system:vtmaster\n");
+ seq_puts(m, "system:vtmaster\n");
#endif
}
@@ -136,54 +136,6 @@ static const struct file_operations proc_tty_drivers_operations = {
.release = seq_release,
};
-static void * tty_ldiscs_seq_start(struct seq_file *m, loff_t *pos)
-{
- return (*pos < NR_LDISCS) ? pos : NULL;
-}
-
-static void * tty_ldiscs_seq_next(struct seq_file *m, void *v, loff_t *pos)
-{
- (*pos)++;
- return (*pos < NR_LDISCS) ? pos : NULL;
-}
-
-static void tty_ldiscs_seq_stop(struct seq_file *m, void *v)
-{
-}
-
-static int tty_ldiscs_seq_show(struct seq_file *m, void *v)
-{
- int i = *(loff_t *)v;
- struct tty_ldisc *ld;
-
- ld = tty_ldisc_get(i);
- if (ld == NULL)
- return 0;
- seq_printf(m, "%-10s %2d\n", ld->name ? ld->name : "???", i);
- tty_ldisc_put(i);
- return 0;
-}
-
-static const struct seq_operations tty_ldiscs_seq_ops = {
- .start = tty_ldiscs_seq_start,
- .next = tty_ldiscs_seq_next,
- .stop = tty_ldiscs_seq_stop,
- .show = tty_ldiscs_seq_show,
-};
-
-static int proc_tty_ldiscs_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &tty_ldiscs_seq_ops);
-}
-
-static const struct file_operations tty_ldiscs_proc_fops = {
- .owner = THIS_MODULE,
- .open = proc_tty_ldiscs_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
/*
* This function is called by tty_register_driver() to handle
* registering the driver's /proc handler into /proc/tty/driver/<foo>
@@ -192,17 +144,12 @@ void proc_tty_register_driver(struct tty_driver *driver)
{
struct proc_dir_entry *ent;
- if (!driver->ops->read_proc || !driver->driver_name ||
- driver->proc_entry)
- return;
-
- ent = create_proc_entry(driver->driver_name, 0, proc_tty_driver);
- if (!ent)
+ if (!driver->driver_name || driver->proc_entry ||
+ !driver->ops->proc_fops)
return;
- ent->read_proc = driver->ops->read_proc;
- ent->owner = driver->owner;
- ent->data = driver;
+ ent = proc_create_data(driver->driver_name, 0, proc_tty_driver,
+ driver->ops->proc_fops, driver);
driver->proc_entry = ent;
}