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[PATCH 4.9 46/93] scsi: ibmvscsis: Issues from Dan Carpenter/Smatch

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  [PATCH 4.9 46/93] scsi: ibmvscsis: Issues from Dan Carpenter/Smatch Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-20 19:40 +0100

#1605052 — [PATCH 4.9 46/93] scsi: ibmvscsis: Issues from Dan Carpenter/Smatch

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Michael Cyr <mikecyr@us.ibm.com>

[ Upstream commit 11950d70b52d2bc5e3580da8cd63909ef38d67db ]

Signed-off-by: Michael Cyr <mikecyr@us.ibm.com>
Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com>
Tested-by: Steven Royer <seroyer@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c |   13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

--- a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
+++ b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
@@ -1746,14 +1746,7 @@ static long ibmvscsis_mad(struct scsi_in
 
 		pr_debug("mad: type %d\n", be32_to_cpu(mad->type));
 
-		if (be16_to_cpu(mad->length) < 0) {
-			dev_err(&vscsi->dev, "mad: length is < 0\n");
-			ibmvscsis_post_disconnect(vscsi,
-						  ERR_DISCONNECT_RECONNECT, 0);
-			rc = SRP_VIOLATION;
-		} else {
-			rc = ibmvscsis_process_mad(vscsi, iue);
-		}
+		rc = ibmvscsis_process_mad(vscsi, iue);
 
 		pr_debug("mad: status %hd, rc %ld\n", be16_to_cpu(mad->status),
 			 rc);
@@ -2523,7 +2516,6 @@ static void ibmvscsis_parse_cmd(struct s
 		dev_err(&vscsi->dev, "0x%llx: parsing SRP descriptor table failed.\n",
 			srp->tag);
 		goto fail;
-		return;
 	}
 
 	cmd->rsp.sol_not = srp->sol_not;
@@ -3379,7 +3371,8 @@ static int ibmvscsis_probe(struct vio_de
 	INIT_LIST_HEAD(&vscsi->waiting_rsp);
 	INIT_LIST_HEAD(&vscsi->active_q);
 
-	snprintf(vscsi->tport.tport_name, 256, "%s", dev_name(&vdev->dev));
+	snprintf(vscsi->tport.tport_name, IBMVSCSIS_NAMELEN, "%s",
+		 dev_name(&vdev->dev));
 
 	pr_debug("probe tport_name: %s\n", vscsi->tport.tport_name);
 

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