[dpdk-dev] [PATCH] i40e: Unchecked return value

[Slawomir Mrozowicz]

Calling i40e_switch_tx_queue without checking return value.
Fixed by add warning log information if return failed.

Fixes: 71d35259ff67 ("i40e: tear down flow director")
Coverity ID 13208

Signed-off-by: Slawomir Mrozowicz <slawomirx.mrozowicz at intel.com>
---
 drivers/net/i40e/i40e_fdir.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/i40e/i40e_fdir.c b/drivers/net/i40e/i40e_fdir.c
index 8aa41e5..d0bdf2c 100644
--- a/drivers/net/i40e/i40e_fdir.c
+++ b/drivers/net/i40e/i40e_fdir.c
@@ -288,11 +288,14 @@ i40e_fdir_teardown(struct i40e_pf *pf)
 {
        struct i40e_hw *hw = I40E_PF_TO_HW(pf);
        struct i40e_vsi *vsi;
+       int err = I40E_SUCCESS;

        vsi = pf->fdir.fdir_vsi;
        if (!vsi)
                return;
-       i40e_switch_tx_queue(hw, vsi->base_queue, FALSE);
+       err = i40e_switch_tx_queue(hw, vsi->base_queue, FALSE);
+       if (err)
+               PMD_DRV_LOG(WARNING, "Failed to do FDIR TX switch off.");
        i40e_switch_rx_queue(hw, vsi->base_queue, FALSE);
        i40e_dev_rx_queue_release(pf->fdir.rxq);
        pf->fdir.rxq = NULL;
-- 
1.9.1