From: Ganesh Goudar <ganeshgr@chelsio.com>
Date: Wed, 9 May 2018 19:00:35 +0530
Subject: cxgb4: copy mbox log size to PF0-3 adap instances
Patch-mainline: v4.17-rc5
Git-commit: aca06eafd09f48ca4d97f3c0b2a12c8d631116f0
References: bsc#1097585 bsc#1097586 bsc#1097587 bsc#1097588 bsc#1097583 bsc#1097584

copy mbox size to adapter instances of PF0-3 to avoid
mbox log overflow. This fixes the possible protection
fault.

Fixes: baf5086840ab ("cxgb4: restructure VF mgmt code")
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -5433,6 +5433,7 @@ static int init_one(struct pci_dev *pdev
 	}
 	spin_lock_init(&adapter->mbox_lock);
 	INIT_LIST_HEAD(&adapter->mlist.list);
+	adapter->mbox_log->size = T4_OS_LOG_MBOX_CMDS;
 	pci_set_drvdata(pdev, adapter);
 
 	if (func != ent->driver_data) {
@@ -5467,8 +5468,6 @@ static int init_one(struct pci_dev *pdev
 		goto out_free_adapter;
 	}
 
-	adapter->mbox_log->size = T4_OS_LOG_MBOX_CMDS;
-
 	/* PCI device has been enabled */
 	adapter->flags |= DEV_ENABLED;
 	memset(adapter->chan_map, 0xff, sizeof(adapter->chan_map));