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connector: simplify the return expression of cn_add_callback()
author
Qinglang Miao
<miaoqinglang@huawei.com>
Mon, 21 Sep 2020 13:10:06 +0000
(21:10 +0800)
committer
David S. Miller
<davem@davemloft.net>
Mon, 21 Sep 2020 20:48:29 +0000
(13:48 -0700)
Simplify the return expression.
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/connector/connector.c
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diff --git
a/drivers/connector/connector.c
b/drivers/connector/connector.c
index 2d22d6bf52f25a074728d1650541f2c39b1f3383..7d59d18c6f26d935158f729ca5359c1a0897c503 100644
(file)
--- a/
drivers/connector/connector.c
+++ b/
drivers/connector/connector.c
@@
-197,17
+197,12
@@
int cn_add_callback(struct cb_id *id, const char *name,
void (*callback)(struct cn_msg *,
struct netlink_skb_parms *))
{
- int err;
struct cn_dev *dev = &cdev;
if (!cn_already_initialized)
return -EAGAIN;
- err = cn_queue_add_callback(dev->cbdev, name, id, callback);
- if (err)
- return err;
-
- return 0;
+ return cn_queue_add_callback(dev->cbdev, name, id, callback);
}
EXPORT_SYMBOL_GPL(cn_add_callback);