From c0f2276f3601a96b29d4347c5938e9494e8e4e5d Mon Sep 17 00:00:00 2001 From: Emil Tantilov Date: Thu, 1 Jul 2010 13:38:40 +0000 Subject: [PATCH] igb: Fix Tx hangs seen when loading igb with max_vfs > 7. Check the value of max_vfs at the time of assignment of vfs_allocated_count. The previous check in igb_probe_vfs was too late as by that time the rx/tx rings were initialized with the wrong offset. Signed-off-by: Emil Tantilov Tested-by: Jeff Pieper Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller --- drivers/net/igb/igb_main.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index e79689e..d811462 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -2091,9 +2091,6 @@ static void __devinit igb_probe_vfs(struct igb_adapter * adapter) #ifdef CONFIG_PCI_IOV struct pci_dev *pdev = adapter->pdev; - if (adapter->vfs_allocated_count > 7) - adapter->vfs_allocated_count = 7; - if (adapter->vfs_allocated_count) { adapter->vf_data = kcalloc(adapter->vfs_allocated_count, sizeof(struct vf_data_storage), @@ -2258,7 +2255,7 @@ static int __devinit igb_sw_init(struct igb_adapter *adapter) #ifdef CONFIG_PCI_IOV if (hw->mac.type == e1000_82576) - adapter->vfs_allocated_count = max_vfs; + adapter->vfs_allocated_count = (max_vfs > 7) ? 7 : max_vfs; #endif /* CONFIG_PCI_IOV */ adapter->rss_queues = min_t(u32, IGB_MAX_RX_QUEUES, num_online_cpus()); -- 2.7.4