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Subject[PATCH 4.16 215/279] cxgb4: copy mbox log size to PF0-3 adap instances
Date
4.16-stable review patch.  If anyone has any objections, please let me know.

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

From: Ganesh Goudar <ganeshgr@chelsio.com>

[ 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 <leedom@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
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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