diff mbox series

net/bonding: fix possible null pointer reference

Message ID 20190108111756.9118-1-declan.doherty@intel.com (mailing list archive)
State Accepted, archived
Delegated to: Ferruh Yigit
Headers
Series net/bonding: fix possible null pointer reference |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/mellanox-Performance-Testing success Performance Testing PASS
ci/intel-Performance-Testing success Performance Testing PASS
ci/Intel-compilation success Compilation OK

Commit Message

Doherty, Declan Jan. 8, 2019, 11:17 a.m. UTC 
In function check_for_bonded_ethdev the driver name is used without
validating the pointer references in the passed ethdev object.

Fixes: 740feaf349b1 ("ethdev: remove driver name from device private data")
Cc: stable@dpdk.org

Signed-off-by: Declan Doherty <declan.doherty@intel.com>
---
 drivers/net/bonding/rte_eth_bond_api.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

Comments

Ferruh Yigit Jan. 9, 2019, 2:04 p.m. UTC | #1 
On 1/8/2019 11:17 AM, Declan Doherty wrote:
> In function check_for_bonded_ethdev the driver name is used without
> validating the pointer references in the passed ethdev object.
> 
> Fixes: 740feaf349b1 ("ethdev: remove driver name from device private data")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Declan Doherty <declan.doherty@intel.com>

Applied to dpdk-next-net/master, thanks.
diff mbox series

Patch

diff --git a/drivers/net/bonding/rte_eth_bond_api.c b/drivers/net/bonding/rte_eth_bond_api.c
index 21bcd5044..e5e146540 100644
--- a/drivers/net/bonding/rte_eth_bond_api.c
+++ b/drivers/net/bonding/rte_eth_bond_api.c
@@ -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 */