[dpdk-dev] [PATCH 5/6] i40e: fix problematic dereference

[Helin Zhang]

Fix issue reported by Coverity.

Coverity ID 13298: Dereference before null check.

Fixes: 4861cde46116 ("i40e: new poll mode driver")

Signed-off-by: Helin Zhang <helin.zhang at intel.com>
---
 drivers/net/i40e/i40e_pf.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/i40e/i40e_pf.c b/drivers/net/i40e/i40e_pf.c
index 3ec8f7c..1bd599b 100644
--- a/drivers/net/i40e/i40e_pf.c
+++ b/drivers/net/i40e/i40e_pf.c
@@ -123,7 +123,7 @@ int
 i40e_pf_host_vf_reset(struct i40e_pf_vf *vf, bool do_hw_reset)
 {
        uint32_t val, i;
-       struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
+       struct i40e_hw *hw;
        uint16_t vf_id, abs_vf_id, vf_msix_num;
        int ret;
        struct i40e_virtchnl_queue_select qsel;
@@ -131,6 +131,7 @@ i40e_pf_host_vf_reset(struct i40e_pf_vf *vf, bool 
do_hw_reset)
        if (vf == NULL)
                return -EINVAL;

+       hw = I40E_PF_TO_HW(vf->pf);
        vf_id = vf->vf_idx;
        abs_vf_id = vf_id + hw->func_caps.vf_base_id;

-- 
2.5.0