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authorDavid Arcari <darcari@redhat.com>2017-03-09 21:28:33 +0300
committerDavid S. Miller <davem@davemloft.net>2017-03-13 09:08:35 +0300
commitecd052250b51c8cee4d9720adea05690dfc77c64 (patch)
tree17afc2a08953bda9ba1a0762b9386bb70932c215 /drivers
parent609a807a95301cec7edb446241a35b402f85b4c3 (diff)
downloadlinux-ecd052250b51c8cee4d9720adea05690dfc77c64.tar.xz
net: ethernet: aquantia: call set_irq_affinity_hint before free_irq
When a network interface controlled by the aquantia ethernet driver is brought down a warning is output in dmesg (see below). The problem is that aq_pci_func_free_irqs() is calling free_irq() before it is calling irq_set_affinity_hint(). WARNING: CPU: 4 PID: 10068 at kernel/irq/manage.c:1503 __free_irq+0x24d/0x2b0 <snip> Call Trace: dump_stack+0x63/0x87 __warn+0xd1/0xf0 warn_slowpath_null+0x1d/0x20 __free_irq+0x24d/0x2b0 free_irq+0x39/0x90 aq_pci_func_free_irqs+0x52/0xa0 [atlantic] aq_nic_stop+0xca/0xd0 [atlantic] aq_ndev_close+0x1d/0x40 [atlantic] __dev_close_many+0x99/0x100 __dev_close+0x67/0xb0 <snip> Fixes: 36a4a50f4048 ("net: ethernet: aquantia: switch to pci_alloc_irq_vectors") Cc: Christoph Hellwig <hch@lst.de> Cc: Pavel Belous <pavel.belous@aquantia.com> Signed-off-by: David Arcari <darcari@redhat.com> Tested-by: Pavel Belous <pavel.belous@aquantia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
index 581de71a958a..4c6c882c6a1c 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
@@ -213,9 +213,9 @@ void aq_pci_func_free_irqs(struct aq_pci_func_s *self)
if (!((1U << i) & self->msix_entry_mask))
continue;
- free_irq(pci_irq_vector(pdev, i), self->aq_vec[i]);
if (pdev->msix_enabled)
irq_set_affinity_hint(pci_irq_vector(pdev, i), NULL);
+ free_irq(pci_irq_vector(pdev, i), self->aq_vec[i]);
self->msix_entry_mask &= ~(1U << i);
}
}