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

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

From: Ganesh Goudar <[email protected]>

[ Upstream commit aca06eafd09f48ca4d97f3c0b2a12c8d631116f0 ]

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 <[email protected]>
Signed-off-by: Ganesh Goudar <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
 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
@@ -5191,6 +5191,7 @@ 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) {
@@ -5225,8 +5226,6 @@ 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));


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