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SubjectRe: [PATCH] scsi: qla4xxx: Remove unneeded return variable
Date
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,

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