6.9-stable review patch. If anyone has any objections, please let me know.
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From: Jiawen Wu jiawenwu@trustnetic.com
[ Upstream commit 7c36711a2cd8059c2d24f5e5c1d76e8ea2d5613c ]
When using MSI/INTx interrupts, wx->num_q_vectors is uninitialized. Thus there will be kernel panic in wx_alloc_q_vectors() to allocate queue vectors.
Fixes: 3f703186113f ("net: libwx: Add irq flow functions") Signed-off-by: Jiawen Wu jiawenwu@trustnetic.com Signed-off-by: Paolo Abeni pabeni@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/wangxun/libwx/wx_lib.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/wangxun/libwx/wx_lib.c b/drivers/net/ethernet/wangxun/libwx/wx_lib.c index 07ba3a270a14f..b62b191cc146a 100644 --- a/drivers/net/ethernet/wangxun/libwx/wx_lib.c +++ b/drivers/net/ethernet/wangxun/libwx/wx_lib.c @@ -1686,6 +1686,7 @@ static int wx_set_interrupt_capability(struct wx *wx) }
pdev->irq = pci_irq_vector(pdev, 0); + wx->num_q_vectors = 1;
return 0; }