From: Bart Van Assche <bvanassche@acm.org>
To: Bean Huo <huobean@gmail.com>,
alim.akhtar@samsung.com, avri.altman@wdc.com,
asutoshd@codeaurora.org, jejb@linux.ibm.com,
martin.petersen@oracle.com, stanley.chu@mediatek.com,
beanhuo@micron.com, tomas.winkler@intel.com, cang@codeaurora.org
Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/3] scsi: ufs: remove max_t in ufs_get_device_desc
Date: Thu, 28 May 2020 09:16:01 -0700 [thread overview]
Message-ID: <8e1bfd09-0269-ecd6-eb24-31f953573189@acm.org> (raw)
In-Reply-To: <82e8faa7d6a0c5f04832519740230f9f520347cb.camel@gmail.com>
On 2020-05-28 08:04, Bean Huo wrote:
> do you mean like this: buff_len = hba->desc_size[id]?
How about the following untested change?
Thanks,
Bart.
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 698e8d20b4ba..e33754c15c2c 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -6606,14 +6606,11 @@ static int ufshcd_scsi_add_wlus(struct ufs_hba
static int ufs_get_device_desc(struct ufs_hba *hba)
{
int err;
- size_t buff_len;
u8 model_index;
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);
- desc_buf = kmalloc(buff_len, GFP_KERNEL);
+ desc_buf = kmalloc(QUERY_DESC_MAX_SIZE, GFP_KERNEL);
if (!desc_buf) {
err = -ENOMEM;
goto out;
next prev parent reply other threads:[~2020-05-28 16:16 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-28 11:56 [PATCH v2 0/3] scsi: ufs: cleanup ufs initialization Bean Huo
2020-05-28 11:56 ` [PATCH v2 1/3] scsi: ufs: remove max_t in ufs_get_device_desc Bean Huo
2020-05-28 13:41 ` Avri Altman
2020-05-28 13:47 ` Bean Huo
2020-05-28 14:56 ` Bart Van Assche
2020-05-28 15:04 ` Bean Huo
2020-05-28 16:16 ` Bart Van Assche [this message]
2020-05-28 11:56 ` [PATCH v2 2/3] scsi: ufs: delete ufshcd_read_desc() Bean Huo
2020-05-28 13:47 ` Avri Altman
2020-05-28 14:59 ` Bart Van Assche
2020-05-29 1:12 ` Stanley Chu
2020-05-28 11:56 ` [PATCH v2 3/3] scsi: ufs: cleanup ufs initialization path Bean Huo
2020-05-28 14:58 ` Avri Altman
2020-05-28 16:03 ` Bean Huo
2020-05-28 16:18 ` Bart Van Assche
2020-05-28 15:04 ` Bart Van Assche
2020-05-29 1:26 ` Stanley Chu
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