[dpdk-dev] [PATCH] net/i40e: fix wrong handle when enable interrupt

[Qi Zhang]

In i40e_dev_interrupt_handler, when call rte_intr_enable,
We should parse dev->intr_handle but not intr_handle.
intr_handle is the copy of dev->intr_handle when
it is registered, but parameter of dev->intr_handle is
possible to be modifed later in i40e driver.

Fixes: 2ce7a1ed09fc ("net/i40e: localize mapping of ethdev to PCI device")

Signed-off-by: Qi Zhang <qi.z.zh...@intel.com>
---
 drivers/net/i40e/i40e_ethdev.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 4492bcc..1032d0f 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -5770,7 +5770,7 @@ i40e_dev_handle_aq_msg(struct rte_eth_dev *dev)
  *  void
  */
 static void
-i40e_dev_interrupt_handler(struct rte_intr_handle *intr_handle,
+i40e_dev_interrupt_handler(__rte_unused struct rte_intr_handle *intr_handle,
                           void *param)
 {
        struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
@@ -5817,7 +5817,7 @@ i40e_dev_interrupt_handler(struct rte_intr_handle 
*intr_handle,
 done:
        /* Enable interrupt */
        i40e_pf_enable_irq0(hw);
-       rte_intr_enable(intr_handle);
+       rte_intr_enable(dev->intr_handle);
 }
 
 static int
-- 
2.9.3