pfcp: Protect pfcp_net.pfcp_dev_list with mutex.

struct pfcp_dev.net is the netns where the backend pfcp socket
resides.

struct pfcp_dev is linked to the pfcp_net.pfcp_dev_list of
the socket's netns.

During netns dismantle or module unload, pfcp_net_exit_rtnl()
iterates the list and queues devices for destruction regardless
of the devices' netns.

Thus, once RTNL is removed, the list can be modified concurrently
from different netns due to device removal.

Let's protect it with per-netns mutex.

Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20260731224406.2444121-2-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

0 files changed, 0 insertions, 0 deletions