devlink: fix possible use-after-free and memory leaks in devlink_init()
authorVasiliy Kovalev <kovalev@altlinux.org>
Thu, 15 Feb 2024 20:34:00 +0000 (23:34 +0300)
committerPaolo Abeni <pabeni@redhat.com>
Tue, 20 Feb 2024 09:17:46 +0000 (10:17 +0100)
commitdef689fc26b9a9622d2e2cb0c4933dd3b1c8071c
tree9d9c59c7807b36e1469713b19ca4092368d610bc
parent5559cea2d5aa3018a5f00dd2aca3427ba09b386b
devlink: fix possible use-after-free and memory leaks in devlink_init()

The pernet operations structure for the subsystem must be registered
before registering the generic netlink family.

Make an unregister in case of unsuccessful registration.

Fixes: 687125b5799c ("devlink: split out core code")
Signed-off-by: Vasiliy Kovalev <kovalev@altlinux.org>
Link: https://lore.kernel.org/r/20240215203400.29976-1-kovalev@altlinux.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
net/devlink/core.c