tty: use for_each_console() and WARN() on sysfs failures
This fixes the build warnings in the tty code, and uses the proper
function for iterating over the console devices.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 464d09d..dae6fc9 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -3257,7 +3257,7 @@
ssize_t count = 0;
acquire_console_sem();
- for (c = console_drivers; c; c = c->next) {
+ for_each_console(c) {
if (!c->device)
continue;
if (!c->write)
@@ -3306,7 +3306,7 @@
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);