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