net/i40e: fix flow director MSI-X resource allocation

FDIR allocating msix resource is not strictly necessary, if no
resource left, jump the error.

Fixes: 4861cde46116 ("i40e: new poll mode driver")
Cc: stable@dpdk.org
Signed-off-by: Mao Jiang <maox.jiang@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 0c32e45..f9a8e71 100644 (file)
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -5839,10 +5839,14 @@ i40e_vsi_setup(struct i40e_pf *pf,
                ret = i40e_res_pool_alloc(&pf->msix_pool, 1);
                if (ret < 0) {
                        PMD_DRV_LOG(ERR, "VSI %d get heap failed %d", vsi->seid, ret);
-                       goto fail_queue_alloc;
+                       if (type != I40E_VSI_FDIR)
+                               goto fail_queue_alloc;
+                       vsi->msix_intr = 0;
+                       vsi->nb_msix = 0;
+               } else {
+                       vsi->msix_intr = ret;
+                       vsi->nb_msix = 1;
                }
-               vsi->msix_intr = ret;
-               vsi->nb_msix = 1;
        } else {
                vsi->msix_intr = 0;
                vsi->nb_msix = 0;