linux-kernel - [PATCH] ata/acard_ahci: remove unused variable n

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 21 Jan 2020 16:48:49 +0800
From:   Alex Shi <alex.shi@...ux.alibaba.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Jens Axboe <axboe@...nel.dk>, linux-ide@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] ata/acard_ahci: remove unused variable n_elem

No one care the varible acard_ahci in func acard_ahci_qc_prep.
better to remove it.

Signed-off-by: Alex Shi <alex.shi@...ux.alibaba.com>
Cc: Jens Axboe <axboe@...nel.dk> 
Cc: linux-ide@...r.kernel.org 
Cc: linux-kernel@...r.kernel.org 
---
 drivers/ata/acard-ahci.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/ata/acard-ahci.c b/drivers/ata/acard-ahci.c
index 46dc54d18f0b..2a04e8abd397 100644
--- a/drivers/ata/acard-ahci.c
+++ b/drivers/ata/acard-ahci.c
@@ -218,7 +218,6 @@ static enum ata_completion_errors acard_ahci_qc_prep(struct ata_queued_cmd *qc)
 	void *cmd_tbl;
 	u32 opts;
 	const u32 cmd_fis_len = 5; /* five dwords */
-	unsigned int n_elem;
 
 	/*
 	 * Fill in command table information.  First, the header,
@@ -232,9 +231,8 @@ static enum ata_completion_errors acard_ahci_qc_prep(struct ata_queued_cmd *qc)
 		memcpy(cmd_tbl + AHCI_CMD_TBL_CDB, qc->cdb, qc->dev->cdb_len);
 	}
 
-	n_elem = 0;
 	if (qc->flags & ATA_QCFLAG_DMAMAP)
-		n_elem = acard_ahci_fill_sg(qc, cmd_tbl);
+		acard_ahci_fill_sg(qc, cmd_tbl);
 
 	/*
 	 * Fill in command slot information.
-- 
1.8.3.1