[dpdk-stable] [PATCH] net/mvpp2: fix port max speed overflow
danat at marvell.com
danat at marvell.com
Sun Jul 11 15:11:43 CEST 2021
From: Dana Vardi <danat at 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 at semihalf.com
Cc: stable at dpdk.org
Signed-off-by: Dana Vardi <danat at marvell.com>
Reviewed-by: Liron Himi <lironh at 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
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