linux-kernel - [PATCH V4 4/4] [SCSI] ufs: Correct the expected data transfer size

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Message-Id: <1350474822-7315-5-git-send-email-vinholikatti@gmail.com>
Date:	Wed, 17 Oct 2012 17:23:42 +0530
From:	Vinayak Holikatti <vinholikatti@...il.com>
To:	James.Bottomley@...senpartnership.com
Cc:	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
	patches@...aro.org, linux-samsung-soc@...r.kernel.org,
	arnd@...aro.org, girish.shivananjappa@...aro.org,
	saugata.das@...aro.org, vishak.g@...sung.com, venkat@...aro.org,
	k.rajesh@...sung.com, dsaxena@...aro.org, ilho215.lee@...sung.com,
	nala.la@...sung.com, sreekumar.c@...sung.com,
	Vinayak Holikatti <vinholikatti@...il.com>,
	Santosh Yaraganavi <santoshsy@...il.com>
Subject: [PATCH V4 4/4] [SCSI] ufs: Correct the expected data transfer size

This patch corrects the expected data transfer size of the
command UPIU. The current implementation of cmd->transfersize
is wrong as it probably equal to sector size. With this
implementation the transfer size is updated correctly

Reported-by: KOBAYASHI Yoshitake <yoshitake.kobayashi@...hiba.co.jp>
Reviewed-by: Arnd Bergmann <arnd@...db.de>
Reviewed-by: Namjae Jeon <linkinjeon@...il.com>
Signed-off-by: Santosh Yaraganavi <santoshsy@...il.com>
Signed-off-by: Vinayak Holikatti <vinholikatti@...il.com>
---
 drivers/scsi/ufs/ufshcd.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 5d7bd47..57c16ec 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -478,7 +478,7 @@ static void ufshcd_compose_upiu(struct ufshcd_lrb *lrbp)
 		ucd_cmd_ptr->header.dword_2 = 0;
 
 		ucd_cmd_ptr->exp_data_transfer_len =
-			cpu_to_be32(lrbp->cmd->transfersize);
+			cpu_to_be32(lrbp->cmd->sdb.length);
 
 		memcpy(ucd_cmd_ptr->cdb,
 		       lrbp->cmd->cmnd,
-- 
1.7.5.4

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