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);