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net/bonding: fix possible null pointer reference

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In function check_for_bonded_ethdev the driver name is used without
validating the pointer references in the passed ethdev object.

Fixes: 740feaf349 ("ethdev: remove driver name from device private data")
Cc: stable@dpdk.org

Signed-off-by: Declan Doherty <declan.doherty@intel.com>
This commit is contained in:
Declan Doherty 2019-01-08 11:17:56 +00:00 committed by Ferruh Yigit
parent 08fd782b84
commit e6b8757bb7
1 changed files with 4 additions and 1 deletions
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5
drivers/net/bonding/rte_eth_bond_api.c
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@ -19,7 +19,10 @@ int
check_for_bonded_ethdev(const struct rte_eth_dev *eth_dev)
{
/* Check valid pointer */
if (eth_dev->device->driver->name == NULL)
if (eth_dev == NULL ||
eth_dev->device == NULL ||
eth_dev->device->driver == NULL ||
eth_dev->device->driver->name == NULL)
return -1;
/* return 0 if driver name matches */