diff mbox series

[-next] RDMA/hfi1: Use list_for_each_entry() helper

Message ID 20230821133753.3131936-1-ruanjinjie@huawei.com (mailing list archive)
State Superseded
Headers show
Series [-next] RDMA/hfi1: Use list_for_each_entry() helper | expand

Commit Message

Jinjie Ruan Aug. 21, 2023, 1:37 p.m. UTC
Convert list_for_each() to list_for_each_entry() where applicable.

No functional changed.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
---
 drivers/infiniband/hw/hfi1/affinity.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Comments

Dennis Dalessandro Aug. 21, 2023, 3:51 p.m. UTC | #1
On 8/21/23 9:37 AM, Jinjie Ruan wrote:
> Convert list_for_each() to list_for_each_entry() where applicable.
> 
> No functional changed.
> 
> Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
> ---
>  drivers/infiniband/hw/hfi1/affinity.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/infiniband/hw/hfi1/affinity.c b/drivers/infiniband/hw/hfi1/affinity.c
> index 77ee77d4000f..bbc957c578e1 100644
> --- a/drivers/infiniband/hw/hfi1/affinity.c
> +++ b/drivers/infiniband/hw/hfi1/affinity.c
> @@ -230,11 +230,9 @@ static void node_affinity_add_tail(struct hfi1_affinity_node *entry)
>  /* It must be called with node_affinity.lock held */
>  static struct hfi1_affinity_node *node_affinity_lookup(int node)
>  {
> -	struct list_head *pos;
>  	struct hfi1_affinity_node *entry;
>  
> -	list_for_each(pos, &node_affinity.list) {
> -		entry = list_entry(pos, struct hfi1_affinity_node, list);
> +	list_for_each_entry(entry, &node_affinity.list, list) {
>  		if (entry->node == node)
>  			return entry;
>  	}

Why is this version better? Perhaps amend commit message to indicate why you are
fixing this.

-Denny
Jinjie Ruan Aug. 22, 2023, 3:26 a.m. UTC | #2
On 2023/8/21 23:51, Dennis Dalessandro wrote:
> On 8/21/23 9:37 AM, Jinjie Ruan wrote:
>> Convert list_for_each() to list_for_each_entry() where applicable.
>>
>> No functional changed.
>>
>> Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
>> ---
>>  drivers/infiniband/hw/hfi1/affinity.c | 4 +---
>>  1 file changed, 1 insertion(+), 3 deletions(-)
>>
>> diff --git a/drivers/infiniband/hw/hfi1/affinity.c b/drivers/infiniband/hw/hfi1/affinity.c
>> index 77ee77d4000f..bbc957c578e1 100644
>> --- a/drivers/infiniband/hw/hfi1/affinity.c
>> +++ b/drivers/infiniband/hw/hfi1/affinity.c
>> @@ -230,11 +230,9 @@ static void node_affinity_add_tail(struct hfi1_affinity_node *entry)
>>  /* It must be called with node_affinity.lock held */
>>  static struct hfi1_affinity_node *node_affinity_lookup(int node)
>>  {
>> -	struct list_head *pos;
>>  	struct hfi1_affinity_node *entry;
>>  
>> -	list_for_each(pos, &node_affinity.list) {
>> -		entry = list_entry(pos, struct hfi1_affinity_node, list);
>> +	list_for_each_entry(entry, &node_affinity.list, list) {
>>  		if (entry->node == node)
>>  			return entry;
>>  	}
> 
> Why is this version better? Perhaps amend commit message to indicate why you are
> fixing this.

We can remove the pos var line. OK. Thank you! I'll update the message
to indicate it.

> 
> -Denny
diff mbox series

Patch

diff --git a/drivers/infiniband/hw/hfi1/affinity.c b/drivers/infiniband/hw/hfi1/affinity.c
index 77ee77d4000f..bbc957c578e1 100644
--- a/drivers/infiniband/hw/hfi1/affinity.c
+++ b/drivers/infiniband/hw/hfi1/affinity.c
@@ -230,11 +230,9 @@  static void node_affinity_add_tail(struct hfi1_affinity_node *entry)
 /* It must be called with node_affinity.lock held */
 static struct hfi1_affinity_node *node_affinity_lookup(int node)
 {
-	struct list_head *pos;
 	struct hfi1_affinity_node *entry;
 
-	list_for_each(pos, &node_affinity.list) {
-		entry = list_entry(pos, struct hfi1_affinity_node, list);
+	list_for_each_entry(entry, &node_affinity.list, list) {
 		if (entry->node == node)
 			return entry;
 	}