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SubjectRe: [PATCH v2 2/4] qla2xxx: Simplify return value logic in qla2x00_get_sp_from_handle()
On Mon, 31 Aug 2020, 9:18am, Daniel Wagner wrote:

>
> Refactor qla2x00_get_sp_from_handle() to avoid the unecessary
> goto if early returns are used. With this we can also avoid
> preinitilzing the sp pointer.
>
> Signed-off-by: Daniel Wagner <dwagner@suse.de>
> ---
> drivers/scsi/qla2xxx/qla_isr.c | 8 +++-----
> 1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
> index 27bcd346af7c..5d278155e4e7 100644
> --- a/drivers/scsi/qla2xxx/qla_isr.c
> +++ b/drivers/scsi/qla2xxx/qla_isr.c
> @@ -1716,7 +1716,7 @@ qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
> {
> struct qla_hw_data *ha = vha->hw;
> sts_entry_t *pkt = iocb;
> - srb_t *sp = NULL;
> + srb_t *sp;
> uint16_t index;
>
> index = LSW(pkt->handle);
> @@ -1728,13 +1728,13 @@ qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
> set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
> else
> set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
> - goto done;
> + return NULL;
> }
> sp = req->outstanding_cmds[index];
> if (!sp) {
> ql_log(ql_log_warn, vha, 0x5032,
> "Invalid completion handle (%x) -- timed-out.\n", index);
> - return sp;
> + return NULL;
> }
> if (sp->handle != index) {
> ql_log(ql_log_warn, vha, 0x5033,
> @@ -1743,8 +1743,6 @@ qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
> }
>
> req->outstanding_cmds[index] = NULL;
> -
> -done:
> return sp;
> }
>

Looks good.

Regards,
-Arun

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