[dpdk-dev] [PATCH branch-16.11] net/i40e: return errno when interrupt setup fails

[Aaron Conole]

From: Michał Mirosław <michal.miros...@atendesoftware.pl>

Signed-off-by: Michał Mirosław <michal.miros...@atendesoftware.pl>
Reviewed-by: Jingjing Wu <jingjing...@intel.com>
---
This is cherry picked from commit d75547718c87 ("net/i40e: return errno
when interrupt setup fails") and applies cleanly.  This is just a
backport request.

 drivers/net/i40e/i40e_ethdev.c               | 5 +++--
 lib/librte_eal/linuxapp/eal/eal_interrupts.c | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 65e10f3..191e858 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -1704,8 +1704,9 @@ i40e_dev_start(struct rte_eth_dev *dev)
             !RTE_ETH_DEV_SRIOV(dev).active) &&
            dev->data->dev_conf.intr_conf.rxq != 0) {
                intr_vector = dev->data->nb_rx_queues;
-               if (rte_intr_efd_enable(intr_handle, intr_vector))
-                       return -1;
+               ret = rte_intr_efd_enable(intr_handle, intr_vector);
+               if (ret)
+                       return ret;
        }
 
        if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
diff --git a/lib/librte_eal/linuxapp/eal/eal_interrupts.c 
b/lib/librte_eal/linuxapp/eal/eal_interrupts.c
index 368863f..25797e4 100644
--- a/lib/librte_eal/linuxapp/eal/eal_interrupts.c
+++ b/lib/librte_eal/linuxapp/eal/eal_interrupts.c
@@ -1157,7 +1157,7 @@ rte_intr_efd_enable(struct rte_intr_handle *intr_handle, 
uint32_t nb_efd)
                                RTE_LOG(ERR, EAL,
                                        "can't setup eventfd, error %i (%s)\n",
                                        errno, strerror(errno));
-                               return -1;
+                               return -errno;
                        }
                        intr_handle->efds[i] = fd;
                }
-- 
2.9.5