memstick: core: fix device_register() error handling

If device_register() fails then call put_device().  See comment to
device_register.

Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Cc: Maxim Levitsky <maximlevitsky@gmail.com>
Cc: Alex Dubov <oakad@yahoo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c
index c00fe8253c51..4303b7ef73e2 100644
--- a/drivers/memstick/core/memstick.c
+++ b/drivers/memstick/core/memstick.c
@@ -465,6 +465,7 @@ static void memstick_check(struct work_struct *work)
                 if (!host->card) {
                         host->card = card;
                         if (device_register(&card->dev)) {
+                                put_device(&card->dev);
                                 kfree(host->card);
                                 host->card = NULL;
                         }