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path: root/drivers/tty/tty_io.c
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Diffstat (limited to 'drivers/tty/tty_io.c')
-rw-r--r--drivers/tty/tty_io.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 464d09d97873..0065da4b11c1 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -3256,8 +3256,8 @@ static ssize_t show_cons_active(struct device *dev,
struct console *c;
ssize_t count = 0;
- acquire_console_sem();
- for (c = console_drivers; c; c = c->next) {
+ console_lock();
+ for_each_console(c) {
if (!c->device)
continue;
if (!c->write)
@@ -3271,7 +3271,7 @@ static ssize_t show_cons_active(struct device *dev,
while (i--)
count += sprintf(buf + count, "%s%d%c",
cs[i]->name, cs[i]->index, i ? ' ':'\n');
- release_console_sem();
+ console_unlock();
return count;
}
@@ -3306,7 +3306,7 @@ int __init tty_init(void)
if (IS_ERR(consdev))
consdev = NULL;
else
- device_create_file(consdev, &dev_attr_active);
+ WARN_ON(device_create_file(consdev, &dev_attr_active) < 0);
#ifdef CONFIG_VT
vty_init(&console_fops);