linux-kernel - [PATCH 5.15 309/530] RDMA/srp: Fix srp

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Message-Id: <20221024113059.043326221@linuxfoundation.org>
Date:   Mon, 24 Oct 2022 13:30:53 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Xiao Yang <yangx.jy@...itsu.com>,
        Bart Van Assche <bvanassche@....org>,
        Leon Romanovsky <leon@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 309/530] RDMA/srp: Fix srp_abort()

From: Bart Van Assche <bvanassche@....org>

[ Upstream commit 6dbe4a8dead84de474483910b02ec9e6a10fc1a9 ]

Fix the code for converting a SCSI command pointer into an SRP request
pointer.

Cc: Xiao Yang <yangx.jy@...itsu.com>
Fixes: ad215aaea4f9 ("RDMA/srp: Make struct scsi_cmnd and struct srp_request adjacent")
Signed-off-by: Bart Van Assche <bvanassche@....org>
Link: https://lore.kernel.org/r/20220908233139.3042628-1-bvanassche@acm.org
Signed-off-by: Leon Romanovsky <leon@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/infiniband/ulp/srp/ib_srp.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 473b3a08cf96..2f4991cea98c 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -2783,7 +2783,7 @@ static int srp_send_tsk_mgmt(struct srp_rdma_ch *ch, u64 req_tag, u64 lun,
 static int srp_abort(struct scsi_cmnd *scmnd)
 {
 	struct srp_target_port *target = host_to_target(scmnd->device->host);
-	struct srp_request *req = (struct srp_request *) scmnd->host_scribble;
+	struct srp_request *req = scsi_cmd_priv(scmnd);
 	u32 tag;
 	u16 ch_idx;
 	struct srp_rdma_ch *ch;
@@ -2791,8 +2791,6 @@ static int srp_abort(struct scsi_cmnd *scmnd)
 
 	shost_printk(KERN_ERR, target->scsi_host, "SRP abort called\n");
 
-	if (!req)
-		return SUCCESS;
 	tag = blk_mq_unique_tag(scsi_cmd_to_rq(scmnd));
 	ch_idx = blk_mq_unique_tag_to_hwq(tag);
 	if (WARN_ON_ONCE(ch_idx >= target->ch_count))
-- 
2.35.1