[dpdk-dev] [PATCH] net/ixgbe: fix coverity issue

[dpdk-dev] [PATCH] net/ixgbe: fix coverity issue

[Guinan Sun]

This patch fixes (Logically dead code) coverity issue.

Coverity issue: 353613
Fixes: 3c4270187518 ("net/ixgbe: support VF MAC address add/remove")

Signed-off-by: Guinan Sun <guinanx.sun@intel.com>
---
 drivers/net/ixgbe/ixgbe_pf.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe_pf.c b/drivers/net/ixgbe/ixgbe_pf.c
index 493f0f2b9..afae21f81 100644
--- a/drivers/net/ixgbe/ixgbe_pf.c
+++ b/drivers/net/ixgbe/ixgbe_pf.c
@@ -772,9 +772,6 @@ ixgbe_set_vf_macvlan_msg(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf)
 		    IXGBE_VT_MSGINFO_SHIFT;
 
 	if (index) {
-		if (new_mac == NULL)
-			return -1;
-
 		if (!rte_is_valid_assigned_ether_addr(
 			(struct rte_ether_addr *)new_mac)) {
 			PMD_DRV_LOG(ERR, "set invalid mac vf:%d\n", vf);
-- 
2.17.1

Re: [dpdk-dev] [PATCH] net/ixgbe: fix coverity issue

[Ye Xiaolong]

On 02/10, Guinan Sun wrote:
>This patch fixes (Logically dead code) coverity issue.
>
>Coverity issue: 353613
>Fixes: 3c4270187518 ("net/ixgbe: support VF MAC address add/remove")
>
>Signed-off-by: Guinan Sun <guinanx.sun@intel.com>
>---
> drivers/net/ixgbe/ixgbe_pf.c | 3 ---
> 1 file changed, 3 deletions(-)
>
>diff --git a/drivers/net/ixgbe/ixgbe_pf.c b/drivers/net/ixgbe/ixgbe_pf.c
>index 493f0f2b9..afae21f81 100644
>--- a/drivers/net/ixgbe/ixgbe_pf.c
>+++ b/drivers/net/ixgbe/ixgbe_pf.c
>@@ -772,9 +772,6 @@ ixgbe_set_vf_macvlan_msg(struct rte_eth_dev *dev, uint32_t vf, uint32_t *msgbuf)
> 		    IXGBE_VT_MSGINFO_SHIFT;
> 
> 	if (index) {
>-		if (new_mac == NULL)
>-			return -1;
>-
> 		if (!rte_is_valid_assigned_ether_addr(
> 			(struct rte_ether_addr *)new_mac)) {
> 			PMD_DRV_LOG(ERR, "set invalid mac vf:%d\n", vf);
>-- 
>2.17.1
>

Acked-by: Xiaolong Ye <xiaolong.ye@intel.com>

Applied to dpdk-next-net-intel, Thanks.

Re: [dpdk-dev] [PATCH] net/ixgbe: fix coverity issue

[Ye Xiaolong]

On 02/11, Shougang Wang wrote:
>This patch fixes (Logically dead code ) coverity issue.
>
>Coverity issue: 353624
>Fixes: ba7b12dd64e4 ("net/ixgbe: fix link up in FreeBSD")
>
>Signed-off-by: Shougang Wang <shougangx.wang@intel.com>
>---
> drivers/net/ixgbe/ixgbe_ethdev.c | 11 ++++++-----
> 1 file changed, 6 insertions(+), 5 deletions(-)
>
>diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
>index 7ea1962f6..b19f47f50 100644
>--- a/drivers/net/ixgbe/ixgbe_ethdev.c
>+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
>@@ -4128,15 +4128,11 @@ static int
> ixgbe_wait_for_link_up(struct ixgbe_hw *hw)
> {
> #ifdef RTE_EXEC_ENV_FREEBSD
>-	const int nb_iter = 25;
>-#else
>-	const int nb_iter = 0;
>-#endif
> 	int err, i;
> 	bool link_up = false;
> 	uint32_t speed = 0;
> 
>-	for (i = 0; i < nb_iter; i++) {
>+	for (i = 0; i < 25; i++) {

Better to keep the constant nb_iter instead of using magic number.

> 		err = ixgbe_check_link(hw, &speed, &link_up, 0);
> 		if (err)
> 			return err;
>@@ -4144,7 +4140,12 @@ ixgbe_wait_for_link_up(struct ixgbe_hw *hw)
> 			return 0;
> 		msec_delay(200);
> 	}
>+

Unrelated change.

Thanks,
Xiaolong

> 	return 0;
>+#else
>+	RTE_SET_USED(hw);
>+	return 0;
>+#endif
> }
> 
> /* return 0 means link status changed, -1 means not changed */
>-- 
>2.17.1
>

[dpdk-dev] [PATCH] net/ixgbe: fix coverity issue

[Shougang Wang]

This patch fixes (Logically dead code ) coverity issue.

Coverity issue: 353624
Fixes: ba7b12dd64e4 ("net/ixgbe: fix link up in FreeBSD")

Signed-off-by: Shougang Wang <shougangx.wang@intel.com>
---
 drivers/net/ixgbe/ixgbe_ethdev.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index 7ea1962f6..b19f47f50 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -4128,15 +4128,11 @@ static int
 ixgbe_wait_for_link_up(struct ixgbe_hw *hw)
 {
 #ifdef RTE_EXEC_ENV_FREEBSD
-	const int nb_iter = 25;
-#else
-	const int nb_iter = 0;
-#endif
 	int err, i;
 	bool link_up = false;
 	uint32_t speed = 0;
 
-	for (i = 0; i < nb_iter; i++) {
+	for (i = 0; i < 25; i++) {
 		err = ixgbe_check_link(hw, &speed, &link_up, 0);
 		if (err)
 			return err;
@@ -4144,7 +4140,12 @@ ixgbe_wait_for_link_up(struct ixgbe_hw *hw)
 			return 0;
 		msec_delay(200);
 	}
+
 	return 0;
+#else
+	RTE_SET_USED(hw);
+	return 0;
+#endif
 }
 
 /* return 0 means link status changed, -1 means not changed */
-- 
2.17.1