[dpdk-dev] [PATCH 06/11] net/atlantic: validity check for eeprom dev address

[Igor Russkikh <Igor.Russkikh@aquantia.com>]

Clients may not fillin magic field, thus causing garbage
to be passed as a device addr.

Limit that to maximum SMbus address.

Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
---
 drivers/net/atlantic/atl_ethdev.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/atlantic/atl_ethdev.c b/drivers/net/atlantic/atl_ethdev.c
index 8a177ea5b4a3..485ef159eb05 100644
--- a/drivers/net/atlantic/atl_ethdev.c
+++ b/drivers/net/atlantic/atl_ethdev.c
@@ -1433,6 +1433,9 @@ int atl_dev_get_eeprom(struct rte_eth_dev *dev,
 	    eeprom->data == NULL)
 		return -EINVAL;
 
+	if (eeprom->magic > 0x7F)
+		return -EINVAL;
+
 	if (eeprom->magic)
 		dev_addr = eeprom->magic;
 
@@ -1453,6 +1456,9 @@ int atl_dev_set_eeprom(struct rte_eth_dev *dev,
 	    eeprom->data == NULL)
 		return -EINVAL;
 
+	if (eeprom->magic > 0x7F)
+		return -EINVAL;
+
 	if (eeprom->magic)
 		dev_addr = eeprom->magic;
 
-- 
2.17.1