Commit e8c2da7e authored by Jonathan Hsu's avatar Jonathan Hsu Committed by Martin K. Petersen
Browse files

scsi: ufs: Fix illegal offset in UPIU event trace 

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: 4b42d557 ("scsi: ufs: core: Fix wrong Task Tag used in task management request UPIUs")
Cc: stable@vger.kernel.org
Reviewed-by: default avatarStanley Chu <stanley.chu@mediatek.com>
Reviewed-by: default avatarBart Van Assche <bvanassche@acm.org>
Signed-off-by: default avatarJonathan Hsu <jonathan.hsu@mediatek.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent fbdac19e

drivers/scsi/ufs/ufshcd.c

+1 −2
Original line number Diff line number Diff line
@@ -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;