[PATCH net-next] net: af_can: remove useless parameter 'err' in 'can_rx_register()'

[PATCH net-next] net: af_can: remove useless parameter 'err' in 'can_rx_register()'

[Ye Bin]

From: Ye Bin <yebin10@huawei.com>

Since commit bdfb5765e45b remove NULL-ptr checks from users of
can_dev_rcv_lists_find(). 'err' parameter is useless, so remove it.

Signed-off-by: Ye Bin <yebin10@huawei.com>
---
 net/can/af_can.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/can/af_can.c b/net/can/af_can.c
index 27dcdcc0b808..ec3f7e658295 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -446,7 +446,6 @@ int can_rx_register(struct net *net, struct net_device *dev, canid_t can_id,
 	struct hlist_head *rcv_list;
 	struct can_dev_rcv_lists *dev_rcv_lists;
 	struct can_rcv_lists_stats *rcv_lists_stats = net->can.rcv_lists_stats;
-	int err = 0;
 
 	/* insert new receiver  (dev,canid,mask) -> (func,data) */
 
@@ -481,7 +480,7 @@ int can_rx_register(struct net *net, struct net_device *dev, canid_t can_id,
 					       rcv_lists_stats->rcv_entries);
 	spin_unlock_bh(&net->can.rcvlists_lock);
 
-	return err;
+	return 0;
 }
 EXPORT_SYMBOL(can_rx_register);
 
-- 
2.31.1

Re: [PATCH net-next] net: af_can: remove useless parameter 'err' in 'can_rx_register()'

[Marc Kleine-Budde]

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On 08.12.2022 17:09:40, Ye Bin wrote:
> From: Ye Bin <yebin10@huawei.com>
> 
> Since commit bdfb5765e45b remove NULL-ptr checks from users of
> can_dev_rcv_lists_find(). 'err' parameter is useless, so remove it.
> 
> Signed-off-by: Ye Bin <yebin10@huawei.com>

Applied to linux-can-next.

Thanks,
Marc

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