If device_register() fails, call put_device() to drop the device reference.

Fixes: 501f867064e9 ("clockevents: Provide sysfs interface") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li lihaoxiang@isrc.iscas.ac.cn --- kernel/time/clockevents.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c index a59bc75ab7c5..94e223cf9c74 100644 --- a/kernel/time/clockevents.c +++ b/kernel/time/clockevents.c @@ -733,8 +733,12 @@ static __init int tick_broadcast_init_sysfs(void) { int err = device_register(&tick_bc_dev);

- if (!err) - err = device_create_file(&tick_bc_dev, &dev_attr_current_device); + if (err) { + put_deivce(&tick_bc_dev); + return err; + } + + err = device_create_file(&tick_bc_dev, &dev_attr_current_device); return err; } #else