diff options
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/console/fbcon.c | 34 |
1 files changed, 27 insertions, 7 deletions
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index 9e3ff00e4c1..8c041daa3a1 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -133,6 +133,7 @@ static int info_idx = -1; /* console rotation */ static int rotate; +static int fbcon_has_sysfs; static const struct consw fb_con; @@ -3166,11 +3167,26 @@ static struct class_device_attribute class_device_attrs[] = { static int fbcon_init_class_device(void) { - int i; + int i, error = 0; + + fbcon_has_sysfs = 1; + + for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++) { + error = class_device_create_file(fbcon_class_device, + &class_device_attrs[i]); + + if (error) + break; + } + + if (error) { + while (--i >= 0) + class_device_remove_file(fbcon_class_device, + &class_device_attrs[i]); + + fbcon_has_sysfs = 0; + } - for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++) - class_device_create_file(fbcon_class_device, - &class_device_attrs[i]); return 0; } @@ -3279,9 +3295,13 @@ static void __exit fbcon_deinit_class_device(void) { int i; - for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++) - class_device_remove_file(fbcon_class_device, - &class_device_attrs[i]); + if (fbcon_has_sysfs) { + for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++) + class_device_remove_file(fbcon_class_device, + &class_device_attrs[i]); + + fbcon_has_sysfs = 0; + } } static void __exit fb_console_exit(void) |