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scsi: ufs: Fix illegal offset in UPIU event trace

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Fix incorrect index for UTMRD reference in ufshcd_add_tm_upiu_trace().

Link: https://lore.kernel.org/r/20210924085848.25500-1-jonathan.hsu@mediatek.com
Fixes: 4b42d557a8 ("scsi: ufs: core: Fix wrong Task Tag used in task management request UPIUs")
Cc: stable@vger.kernel.org
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jonathan Hsu <jonathan.hsu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Jonathan Hsu 2021-09-24 16:58:48 +08:00 committed by Martin K. Petersen
parent fbdac19e64
commit e8c2da7e32
1 changed files with 1 additions and 2 deletions
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3
drivers/scsi/ufs/ufshcd.c
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@ -318,8 +318,7 @@ 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;