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* [PATCH] scsi: qla4xxx: Remove unneeded return variable
@ 2021-02-04  7:17 Yang Li
  2021-02-04  9:35 ` Johannes Thumshirn
  0 siblings, 1 reply; 2+ messages in thread
From: Yang Li @ 2021-02-04  7:17 UTC (permalink / raw)
  To: njavali
  Cc: mrangankar, GR-QLogic-Storage-Upstream, jejb, martin.petersen,
	linux-scsi, linux-kernel, Yang Li

This patch removes unneeded return variables, using only
'0' instead.
It fixes the following warning detected by coccinelle:
./drivers/scsi/qla4xxx/ql4_os.c:3642:5-7: Unneeded variable: "rc".
Return "0" on line 3741

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
---
 drivers/scsi/qla4xxx/ql4_os.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index a4b014e..ed92534 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -3639,7 +3639,6 @@ static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess,
 				       struct dev_db_entry *fw_ddb_entry)
 {
 	uint16_t options;
-	int rc = 0;
 
 	options = le16_to_cpu(fw_ddb_entry->options);
 	SET_BITVAL(conn->is_fw_assigned_ipv6,  options, BIT_11);
@@ -3738,7 +3737,7 @@ static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess,
 
 	COPY_ISID(fw_ddb_entry->isid, sess->isid);
 
-	return rc;
+	return 0;
 }
 
 static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn,
-- 
1.8.3.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] scsi: qla4xxx: Remove unneeded return variable
  2021-02-04  7:17 [PATCH] scsi: qla4xxx: Remove unneeded return variable Yang Li
@ 2021-02-04  9:35 ` Johannes Thumshirn
  0 siblings, 0 replies; 2+ messages in thread
From: Johannes Thumshirn @ 2021-02-04  9:35 UTC (permalink / raw)
  To: Yang Li, njavali
  Cc: mrangankar, GR-QLogic-Storage-Upstream, jejb, martin.petersen,
	linux-scsi, linux-kernel

On 04/02/2021 08:20, Yang Li wrote:
> This patch removes unneeded return variables, using only
> '0' instead.
> It fixes the following warning detected by coccinelle:
> ./drivers/scsi/qla4xxx/ql4_os.c:3642:5-7: Unneeded variable: "rc".
> Return "0" on line 3741
> 
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
> ---
>  drivers/scsi/qla4xxx/ql4_os.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
> index a4b014e..ed92534 100644
> --- a/drivers/scsi/qla4xxx/ql4_os.c
> +++ b/drivers/scsi/qla4xxx/ql4_os.c
> @@ -3639,7 +3639,6 @@ static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess,
>  				       struct dev_db_entry *fw_ddb_entry)
>  {
>  	uint16_t options;
> -	int rc = 0;
>  
>  	options = le16_to_cpu(fw_ddb_entry->options);
>  	SET_BITVAL(conn->is_fw_assigned_ipv6,  options, BIT_11);
> @@ -3738,7 +3737,7 @@ static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess,
>  
>  	COPY_ISID(fw_ddb_entry->isid, sess->isid);
>  
> -	return rc;
> +	return 0;
>  }
>  
>  static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn,
> 

None of the callers checks the return value anyways so you can do:
- static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess,
+ static void qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess,

^ permalink raw reply	[flat|nested] 2+ messages in thread

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