From: Jonathan Hsu <jonathan.hsu@mediatek.com>
To: <stanley.chu@mediatek.com>, <linux-scsi@vger.kernel.org>,
<martin.petersen@oracle.com>, <avri.altman@wdc.com>,
<alim.akhtar@samsung.com>, <jejb@linux.ibm.com>
Cc: <peter.wang@mediatek.com>, <chun-hung.wu@mediatek.com>,
<alice.chao@mediatek.com>, <jonathan.hsu@mediatek.com>,
<powen.kao@mediatek.com>, <cc.chou@mediatek.com>,
<chaotian.jing@mediatek.com>, <jiajie.hao@mediatek.com>,
<wsd_upstream@mediatek.com>, <stable@vger.kernel.org>
Subject: [PATCH v4 1/1] scsi: ufs: Fix illegal address reading in upiu event trace
Date: Fri, 24 Sep 2021 16:58:48 +0800 [thread overview]
Message-ID: <20210924085848.25500-1-jonathan.hsu@mediatek.com> (raw)
Fix incorrect index for UTMRD reference in ufshcd_add_tm_upiu_trace().
Fixes: 4b42d557a8ad ("scsi: ufs: core: Fix wrong Task Tag used in task management request UPIUs")
Cc: stable@vger.kernel.org
Signed-off-by: Jonathan Hsu <jonathan.hsu@mediatek.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 3841ab49f556..36aa27cdc2ab 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -319,8 +319,7 @@ static void ufshcd_add_query_upiu_trace(struct ufs_hba *hba,
static void ufshcd_add_tm_upiu_trace(struct ufs_hba *hba, unsigned int tag,
enum ufs_trace_str_t str_t)
{
- int off = (int)tag - hba->nutrs;
- struct utp_task_req_desc *descp = &hba->utmrdl_base_addr[off];
+ struct utp_task_req_desc *descp = &hba->utmrdl_base_addr[tag];
if (!trace_ufshcd_upiu_enabled())
return;
--
2.18.0
next reply other threads:[~2021-09-24 8:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-24 8:58 Jonathan Hsu [this message]
2021-09-24 10:21 ` [PATCH v4 1/1] scsi: ufs: Fix illegal address reading in upiu event trace Stanley Chu
2021-09-24 16:54 ` Bart Van Assche
2021-09-29 4:19 ` Martin K. Petersen
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