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authorAlex Shi <alex.shi@linux.alibaba.com>2020-01-21 16:48:49 +0800
committerJens Axboe <axboe@kernel.dk>2020-01-22 10:32:51 -0700
commit7e053d3e820bedd7ea4dad598d40bfc7639428c6 (patch)
treef69f242e26735564e94bf5e2555b35323535df6a /drivers/ata
parentffa302efe84ed8aa84aaf061ec4448036880b934 (diff)
downloadlinux-7e053d3e820bedd7ea4dad598d40bfc7639428c6.tar.gz
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@linux.alibaba.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: linux-ide@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/acard-ahci.c4
1 files changed, 1 insertions, 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.