linux-kernel - [PATCH] scsi: isci: remove set but not used 'index'

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Date:   Thu, 27 Aug 2020 20:58:51 +0800
From:   Jason Yan <yanaijie@...wei.com>
To:     <intel-linux-scu@...el.com>, <artur.paszkiewicz@...el.com>,
        <jejb@...ux.ibm.com>, <martin.petersen@...cle.com>,
        <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     Jason Yan <yanaijie@...wei.com>, Hulk Robot <hulkci@...wei.com>
Subject: [PATCH] scsi: isci: remove set but not used 'index'

This addresses the following gcc warning with "make W=1":

drivers/scsi/isci/host.c: In function ‘sci_controller_complete_io’:
drivers/scsi/isci/host.c:2674:6: warning: variable ‘index’ set but not
used [-Wunused-but-set-variable]
 2674 |  u16 index;
      |      ^~~~~

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Jason Yan <yanaijie@...wei.com>
---
 drivers/scsi/isci/host.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c
index 7b5deae68d33..7ebfa3c8cdc7 100644
--- a/drivers/scsi/isci/host.c
+++ b/drivers/scsi/isci/host.c
@@ -2671,7 +2671,6 @@ enum sci_status sci_controller_complete_io(struct isci_host *ihost,
 					   struct isci_request *ireq)
 {
 	enum sci_status status;
-	u16 index;
 
 	switch (ihost->sm.current_state_id) {
 	case SCIC_STOPPING:
@@ -2682,7 +2681,6 @@ enum sci_status sci_controller_complete_io(struct isci_host *ihost,
 		if (status != SCI_SUCCESS)
 			return status;
 
-		index = ISCI_TAG_TCI(ireq->io_tag);
 		clear_bit(IREQ_ACTIVE, &ireq->flags);
 		return SCI_SUCCESS;
 	default:
-- 
2.25.4