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* [dpdk-stable] [PATCH] net/mvpp2: fix port max speed overflow
@ 2021-07-11  9:45 danat
  0 siblings, 0 replies; 2+ messages in thread
From: danat @ 2021-07-11  9:45 UTC (permalink / raw)
  To: lironh; +Cc: danat, tdu, stable

From: Dana Vardi <danat@marvell.com>

ethtool_cmd_speed return uint32 and after the arithmetic
operation in mrvl_get_max_rate func the result is out of range.

Fixes: 429c394417 ("net/mvpp2: support traffic manager")
Cc: tdu@semihalf.com
Cc: stable@dpdk.org

Signed-off-by: Dana Vardi <danat@marvell.com>
Reviewed-by: Liron Himi <lironh@marvell.com>
---
 drivers/net/mvpp2/mrvl_tm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/mvpp2/mrvl_tm.c b/drivers/net/mvpp2/mrvl_tm.c
index a3150328d9..4d75f8e915 100644
--- a/drivers/net/mvpp2/mrvl_tm.c
+++ b/drivers/net/mvpp2/mrvl_tm.c
@@ -57,7 +57,7 @@ mrvl_get_max_rate(struct rte_eth_dev *dev, uint64_t *rate)
 
 	close(fd);
 
-	*rate = ethtool_cmd_speed(&edata) * 1000 * 1000 / 8;
+	*rate = (uint64_t)ethtool_cmd_speed(&edata) * 1000 * 1000 / 8;
 
 	return 0;
 }
-- 
2.17.1


^ permalink raw reply	[flat|nested] 2+ messages in thread

* [dpdk-stable] [PATCH] net/mvpp2: fix port max speed overflow
@ 2021-07-11 13:11 danat
  0 siblings, 0 replies; 2+ messages in thread
From: danat @ 2021-07-11 13:11 UTC (permalink / raw)
  To: jerinj; +Cc: dev, danat, lironh, tdu, stable

From: Dana Vardi <danat@marvell.com>

ethtool_cmd_speed return uint32 and after the arithmetic
operation in mrvl_get_max_rate func the result is out of range.

Fixes: 429c394417 ("net/mvpp2: support traffic manager")
Cc: tdu@semihalf.com
Cc: stable@dpdk.org

Signed-off-by: Dana Vardi <danat@marvell.com>
Reviewed-by: Liron Himi <lironh@marvell.com>
---
 drivers/net/mvpp2/mrvl_tm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/mvpp2/mrvl_tm.c b/drivers/net/mvpp2/mrvl_tm.c
index a3150328d9..4d75f8e915 100644
--- a/drivers/net/mvpp2/mrvl_tm.c
+++ b/drivers/net/mvpp2/mrvl_tm.c
@@ -57,7 +57,7 @@ mrvl_get_max_rate(struct rte_eth_dev *dev, uint64_t *rate)
 
 	close(fd);
 
-	*rate = ethtool_cmd_speed(&edata) * 1000 * 1000 / 8;
+	*rate = (uint64_t)ethtool_cmd_speed(&edata) * 1000 * 1000 / 8;
 
 	return 0;
 }
-- 
2.17.1


^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2021-07-11 13:11 UTC | newest]

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