From 369bdba118692a7df87d8dc7bc3bdb34cfc263d2 Mon Sep 17 00:00:00 2001 From: Jonathan Hsu Date: Mon, 15 Nov 2021 19:40:12 +0800 Subject: [PATCH] scsi: ufs: Fix illegal offset in UPIU event trace stable inclusion from stable-5.10.71 commit 201ba843fef53d7098ed30d359046938e3b50193 bugzilla: 182981 https://gitee.com/openeuler/kernel/issues/I4I3KD Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=201ba843fef53d7098ed30d359046938e3b50193 -------------------------------- commit e8c2da7e329ce004fee748b921e4c765dc2fa338 upstream. 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: 4b42d557a8ad ("scsi: ufs: core: Fix wrong Task Tag used in task management request UPIUs") Cc: stable@vger.kernel.org Reviewed-by: Stanley Chu Reviewed-by: Bart Van Assche Signed-off-by: Jonathan Hsu Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman Signed-off-by: Chen Jun Acked-by: Weilong Chen Signed-off-by: Chen Jun Signed-off-by: Zheng Zengkai --- 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 4dabd09400c6..3139d9df6f32 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -318,8 +318,7 @@ static void ufshcd_add_query_upiu_trace(struct ufs_hba *hba, unsigned int tag, static void ufshcd_add_tm_upiu_trace(struct ufs_hba *hba, unsigned int tag, const char *str) { - 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]; trace_ufshcd_upiu(dev_name(hba->dev), str, &descp->req_header, &descp->input_param1); -- GitLab