ixgbevf: Use pci_enable_msix_range() instead of pci_enable_msix()

As result of deprecation of MSI-X/MSI enablement functions
pci_enable_msix() and pci_enable_msi_block() all drivers
using these two interfaces need to be updated to use the
new pci_enable_msi_range() and pci_enable_msix_range()
interfaces.

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Cc: Bruce Allan <bruce.w.allan@intel.com>
Cc: e1000-devel@lists.sourceforge.net
Cc: netdev@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 11 insertions, 21 deletions

diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index 9df28985eba7..a6af7b7c59b1 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -1817,7 +1817,6 @@ void ixgbevf_reset(struct ixgbevf_adapter *adapter)
 static int ixgbevf_acquire_msix_vectors(struct ixgbevf_adapter *adapter,
                                         int vectors)
 {
-        int err = 0;
         int vector_threshold;
 
         /* We'll want at least 2 (vector_threshold):
@@ -1831,33 +1830,24 @@ static int ixgbevf_acquire_msix_vectors(struct ixgbevf_adapter *adapter,
          * Right now, we simply care about how many we'll get; we'll
          * set them up later while requesting irq's.
          */
-        while (vectors >= vector_threshold) {
-                err = pci_enable_msix(adapter->pdev, adapter->msix_entries,
-                                      vectors);
-                if (!err || err < 0) /* Success or a nasty failure. */
-                        break;
-                else /* err == number of vectors we should try again with */
-                        vectors = err;
-        }
+        vectors = pci_enable_msix_range(adapter->pdev, adapter->msix_entries,
+                                        vector_threshold, vectors);
 
-        if (vectors < vector_threshold)
-                err = -ENOMEM;
-
-        if (err) {
+        if (vectors < 0) {
                 dev_err(&adapter->pdev->dev,
                         "Unable to allocate MSI-X interrupts\n");
                 kfree(adapter->msix_entries);
                 adapter->msix_entries = NULL;
-        } else {
-                /*
-                 * Adjust for only the vectors we'll use, which is minimum
-                 * of max_msix_q_vectors + NON_Q_VECTORS, or the number of
-                 * vectors we were allocated.
-                 */
-                adapter->num_msix_vectors = vectors;
+                return vectors;
         }
 
-        return err;
+        /* Adjust for only the vectors we'll use, which is minimum
+         * of max_msix_q_vectors + NON_Q_VECTORS, or the number of
+         * vectors we were allocated.
+         */
+        adapter->num_msix_vectors = vectors;
+
+        return 0;
 }
 
 /**