diff mbox series

[v4,5/5] bus/vdev: check result of rte_vdev_device_name

Message ID 20230710170800.12478-6-stephen@networkplumber.org (mailing list archive)
State New
Delegated to: Thomas Monjalon
Headers
Series fixes for problems found by codeql analyzer |

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Commit Message

Stephen Hemminger July 10, 2023, 5:08 p.m. UTC 
  From: Sinan Kaya <okaya@kernel.org>

In rte_eth_vdev_allocate result of call to rte_vdev_device_name is
dereferenced here and may be null.

Signed-off-by: Sinan Kaya <okaya@kernel.org>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 lib/ethdev/ethdev_vdev.h | 2 ++
 1 file changed, 2 insertions(+)

Comments

Andrew Rybchenko Dec. 16, 2023, 10:10 a.m. UTC | #1 
On 7/10/23 20:08, Stephen Hemminger wrote:
> From: Sinan Kaya <okaya@kernel.org>
> 
> In rte_eth_vdev_allocate result of call to rte_vdev_device_name is
> dereferenced here and may be null.
> 
> Signed-off-by: Sinan Kaya <okaya@kernel.org>
> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>

Patch summary should be human-readable and do not mention
internals (function name).

Other than that:
Reviewed-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
diff mbox series

Patch

diff --git a/lib/ethdev/ethdev_vdev.h b/lib/ethdev/ethdev_vdev.h
index 364f140f91b5..6d94a65d975d 100644
--- a/lib/ethdev/ethdev_vdev.h
+++ b/lib/ethdev/ethdev_vdev.h
@@ -34,6 +34,8 @@  rte_eth_vdev_allocate(struct rte_vdev_device *dev, size_t private_data_size)
 {
 	struct rte_eth_dev *eth_dev;
 	const char *name = rte_vdev_device_name(dev);
+	if (name == NULL)
+		return NULL;
 
 	eth_dev = rte_eth_dev_allocate(name);
 	if (!eth_dev)