linux-kernel - [PATCH v2 1/3] scsi: ufs: remove max_t in ufs_get_device

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Message-Id: <20200528115616.9949-2-huobean@gmail.com>
Date:   Thu, 28 May 2020 13:56:14 +0200
From:   Bean Huo <huobean@...il.com>
To:     alim.akhtar@...sung.com, avri.altman@....com,
        asutoshd@...eaurora.org, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, stanley.chu@...iatek.com,
        beanhuo@...ron.com, bvanassche@....org, tomas.winkler@...el.com,
        cang@...eaurora.org
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/3] scsi: ufs: remove max_t in ufs_get_device_desc

From: Bean Huo <beanhuo@...ron.com>

For the UFS device, the maximum descriptor size is 255, max_t called in
ufs_get_device_desc() is useless.

Signed-off-by: Bean Huo <beanhuo@...ron.com>
---
 drivers/scsi/ufs/ufshcd.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index aca50ed39844..0f8c7e05df29 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -6881,8 +6881,7 @@ static int ufs_get_device_desc(struct ufs_hba *hba)
 	u8 *desc_buf;
 	struct ufs_dev_info *dev_info = &hba->dev_info;
 
-	buff_len = max_t(size_t, hba->desc_size.dev_desc,
-			 QUERY_DESC_MAX_SIZE + 1);
+	buff_len = QUERY_DESC_MAX_SIZE + 1;
 	desc_buf = kmalloc(buff_len, GFP_KERNEL);
 	if (!desc_buf) {
 		err = -ENOMEM;
-- 
2.17.1