The AX.25 subsystem was removed in commit dd8d4bc28ad7
("net: remove ax25 and amateur radio (hamradio) subsystem"),
which removed the ax25_ptr field from struct net_device but
left behind the kdoc comment and documentation.

Assisted-by: Claude:claude-opus-4-6
Signed-off-by: Costa Shulyupin <costa.shul@redhat.com>
---
 Documentation/networking/net_cachelines/net_device.rst | 1 -
 include/linux/netdevice.h                              | 1 -
 2 files changed, 2 deletions(-)

diff --git a/Documentation/networking/net_cachelines/net_device.rst b/Documentation/networking/net_cachelines/net_device.rst
index 7b3392553fd6..eb2e6851c6f6 100644
--- a/Documentation/networking/net_cachelines/net_device.rst
+++ b/Documentation/networking/net_cachelines/net_device.rst
@@ -91,7 +91,6 @@ struct vlan_info*                   vlan_info
 struct dsa_port*                    dsa_ptr
 struct tipc_bearer*                 tipc_ptr
 void*                               atalk_ptr
-void*                               ax25_ptr
 struct wireless_dev*                ieee80211_ptr
 struct wpan_dev*                    ieee802154_ptr
 struct mpls_dev*                    mpls_ptr
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index beed64b8d93f..460350a7f77a 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1947,7 +1947,6 @@ enum netdev_reg_state {
  *	@atalk_ptr:	AppleTalk link
  *	@ip_ptr:	IPv4 specific data
  *	@ip6_ptr:	IPv6 specific data
- *	@ax25_ptr:	AX.25 specific data
  *	@ieee80211_ptr:	IEEE 802.11 specific data, assign before registering
  *	@ieee802154_ptr: IEEE 802.15.4 low-rate Wireless Personal Area Network
  *			 device struct
-- 
2.53.0

On 5/31/26 6:48 AM, Costa Shulyupin wrote:
> The AX.25 subsystem was removed in commit dd8d4bc28ad7
> ("net: remove ax25 and amateur radio (hamradio) subsystem"),
> which removed the ax25_ptr field from struct net_device but
> left behind the kdoc comment and documentation.
> 
> Assisted-by: Claude:claude-opus-4-6
> Signed-off-by: Costa Shulyupin <costa.shul@redhat.com>

Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Thanks.

> ---
>  Documentation/networking/net_cachelines/net_device.rst | 1 -
>  include/linux/netdevice.h                              | 1 -
>  2 files changed, 2 deletions(-)
> 
> diff --git a/Documentation/networking/net_cachelines/net_device.rst b/Documentation/networking/net_cachelines/net_device.rst
> index 7b3392553fd6..eb2e6851c6f6 100644
> --- a/Documentation/networking/net_cachelines/net_device.rst
> +++ b/Documentation/networking/net_cachelines/net_device.rst
> @@ -91,7 +91,6 @@ struct vlan_info*                   vlan_info
>  struct dsa_port*                    dsa_ptr
>  struct tipc_bearer*                 tipc_ptr
>  void*                               atalk_ptr
> -void*                               ax25_ptr
>  struct wireless_dev*                ieee80211_ptr
>  struct wpan_dev*                    ieee802154_ptr
>  struct mpls_dev*                    mpls_ptr
> diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
> index beed64b8d93f..460350a7f77a 100644
> --- a/include/linux/netdevice.h
> +++ b/include/linux/netdevice.h
> @@ -1947,7 +1947,6 @@ enum netdev_reg_state {
>   *	@atalk_ptr:	AppleTalk link
>   *	@ip_ptr:	IPv4 specific data
>   *	@ip6_ptr:	IPv6 specific data
> - *	@ax25_ptr:	AX.25 specific data
>   *	@ieee80211_ptr:	IEEE 802.11 specific data, assign before registering
>   *	@ieee802154_ptr: IEEE 802.15.4 low-rate Wireless Personal Area Network
>   *			 device struct

-- 
~Randy