From: Helin Zhang <helin.zhang@intel.com>
To: dev@dpdk.org
Cc: Helin Zhang <helin.zhang@intel.com>
Subject: [dpdk-dev] [PATCH 5/6] i40e: fix problematic dereference
Date: Thu, 21 Apr 2016 11:42:56 +0800 [thread overview]
Message-ID: <1461210177-29330-6-git-send-email-helin.zhang@intel.com> (raw)
In-Reply-To: <1461210177-29330-1-git-send-email-helin.zhang@intel.com>
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 --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
next prev parent reply other threads:[~2016-04-21 3:43 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-21 3:42 [dpdk-dev] [PATCH 0/6] fix i40e " Helin Zhang
2016-04-21 3:42 ` [dpdk-dev] [PATCH 1/6] i40e: fix " Helin Zhang
2016-04-21 16:10 ` Stephen Hemminger
2016-04-22 1:04 ` Zhang, Helin
2016-04-21 3:42 ` [dpdk-dev] [PATCH 2/6] " Helin Zhang
2016-04-21 3:42 ` [dpdk-dev] [PATCH 3/6] " Helin Zhang
2016-04-21 3:42 ` [dpdk-dev] [PATCH 4/6] " Helin Zhang
2016-04-21 3:42 ` Helin Zhang [this message]
2016-04-21 3:42 ` [dpdk-dev] [PATCH 6/6] " Helin Zhang
2016-04-21 10:06 ` [dpdk-dev] [PATCH 0/6] fix i40e " Thomas Monjalon
2016-04-21 12:49 ` Zhang, Helin
2016-04-21 12:51 ` Thomas Monjalon
2016-04-21 11:01 ` Bruce Richardson
2016-04-21 12:50 ` Zhang, Helin
2016-04-25 5:44 ` [dpdk-dev] [PATCH v2] i40e: fix " Helin Zhang
2016-04-25 9:41 ` Bruce Richardson
2016-04-28 3:17 ` [dpdk-dev] [PATCH v3 0/2] fix Coverity reported issues Helin Zhang
2016-04-28 3:17 ` [dpdk-dev] [PATCH v3 1/2] i40e: fix problematic dereference Helin Zhang
2016-04-28 3:17 ` [dpdk-dev] [PATCH v3 2/2] i40e: fix missing break in switch Helin Zhang
2016-06-26 15:46 ` [dpdk-dev] [PATCH v2 0/2] fix coverity issues Helin Zhang
2016-06-26 15:46 ` [dpdk-dev] [PATCH v2 1/2] i40e: fix problematic dereference Helin Zhang
2016-06-26 20:04 ` Mcnamara, John
2016-06-26 15:46 ` [dpdk-dev] [PATCH v2 2/2] i40e: fix missing break in switch Helin Zhang
2016-06-26 20:04 ` Mcnamara, John
2016-06-28 12:01 ` [dpdk-dev] [PATCH v2 0/2] fix coverity issues Bruce Richardson
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