diff mbox

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

Message ID 1461210177-29330-6-git-send-email-helin.zhang@intel.com (mailing list archive)
State Superseded, archived
Delegated to: Bruce Richardson
Headers

Commit Message

Zhang, Helin April 21, 2016, 3:42 a.m. UTC 
  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@intel.com>
---
 drivers/net/i40e/i40e_pf.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox

Patch

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;