intel/igbvf: free irq on the error path in igbvf_request_msix()

In igbvf_request_msix(), irqs have not been freed on the err path,
we need to free it. Fix it.

Fixes: d4e0fe01a38a ("igbvf: add new driver to support 82576 virtual functions")
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Tested-by: Marek Szlosek <marek.szlosek@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c
index 3a32809510fc6b771c2a350e5bed9aa3a5bb1a48..72cb1b56e9f2400b5408d4a722171ffcb363e4b9 100644 (file)
--- a/drivers/net/ethernet/intel/igbvf/netdev.c
+++ b/drivers/net/ethernet/intel/igbvf/netdev.c
@@ -1074,7 +1074,7 @@ static int igbvf_request_msix(struct igbvf_adapter *adapter)
                          igbvf_intr_msix_rx, 0, adapter->rx_ring->name,
                          netdev);
        if (err)
-               goto out;
+               goto free_irq_tx;
 
        adapter->rx_ring->itr_register = E1000_EITR(vector);
        adapter->rx_ring->itr_val = adapter->current_itr;
@@ -1083,10 +1083,14 @@ static int igbvf_request_msix(struct igbvf_adapter *adapter)
        err = request_irq(adapter->msix_entries[vector].vector,
                          igbvf_msix_other, 0, netdev->name, netdev);
        if (err)
-               goto out;
+               goto free_irq_rx;
 
        igbvf_configure_msix(adapter);
        return 0;
+free_irq_rx:
+       free_irq(adapter->msix_entries[--vector].vector, netdev);
+free_irq_tx:
+       free_irq(adapter->msix_entries[--vector].vector, netdev);
 out:
        return err;
 }