Patch "scsi: lpfc: Clear the VendorVersion in the PLOGI/PLOGI ACC payload" has been added to the 4.4-stable tree

This is a note to let you know that I've just added the patch titled

scsi: lpfc: Clear the VendorVersion in the PLOGI/PLOGI ACC payload

to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
scsi-lpfc-clear-the-vendorversion-in-the-plogi-plogi-acc-payload.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: James Smart <[email protected]>
Date: Mon, 19 Dec 2016 15:07:20 -0800
Subject: scsi: lpfc: Clear the VendorVersion in the PLOGI/PLOGI ACC payload

From: James Smart <[email protected]>

[ Upstream commit e0165f20447c8ca1d367725ee94d8ec9f38ca275 ]

Clear the VendorVersion in the PLOGI/PLOGI ACC payload

Vendor version info may have been set on fabric login. Before sending PLOGI payloads, ensure that it's cleared.

---
 drivers/scsi/lpfc/lpfc_els.c |    6 ++++++
 drivers/scsi/lpfc/lpfc_hw.h  |    6 ++++++
 2 files changed, 12 insertions(+)

@@ -1982,6 +1982,9 @@ lpfc_issue_els_plogi(struct lpfc_vport *
 	if (sp->cmn.fcphHigh < FC_PH3)
 		sp->cmn.fcphHigh = FC_PH3;
 
+	sp->cmn.valid_vendor_ver_level = 0;
+	memset(sp->vendorVersion, 0, sizeof(sp->vendorVersion));
+
 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
 		"Issue PLOGI:     did:x%x",
 		did, 0, 0);

@@ -3966,6 +3969,9 @@ lpfc_els_rsp_acc(struct lpfc_vport *vpor
 		} else {
 			memcpy(pcmd, &vport->fc_sparam,
 			       sizeof(struct serv_parm));
+
+			sp->cmn.valid_vendor_ver_level = 0;
+			memset(sp->vendorVersion, 0, sizeof(sp->vendorVersion));
 		}
 
 		lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP,

@@ -360,6 +360,12 @@ struct csp {
  * Word 1 Bit 30 in PLOGI request is random offset
  */
 #define virtual_fabric_support randomOffset /* Word 1, bit 30 */
+/*
+ * Word 1 Bit 29 in common service parameter is overloaded.
+ * Word 1 Bit 29 in FLOGI response is multiple NPort assignment
+ * Word 1 Bit 29 in FLOGI/PLOGI request is Valid Vendor Version Level
+ */
+#define valid_vendor_ver_level response_multiple_NPort /* Word 1, bit 29 */
 #ifdef __BIG_ENDIAN_BITFIELD
 	uint16_t request_multiple_Nport:1;	/* FC Word 1, bit 31 */
 	uint16_t randomOffset:1;	/* FC Word 1, bit 30 */

Patches currently in stable-queue which might be from [email protected] are

queue-4.4/scsi-lpfc-clear-the-vendorversion-in-the-plogi-plogi-acc-payload.patch queue-4.4/scsi-lpfc-correct-host-name-in-symbolic_name-field.patch queue-4.4/scsi-lpfc-fcoe-vport-enable-disable-does-not-bring-up-the-vport.patch queue-4.4/scsi-lpfc-correct-issue-leading-to-oops-during-link-reset.patch queue-4.4/scsi-lpfc-add-missing-memory-barrier.patch