diff options
| author | Jiri Pirko <jiri@nvidia.com> | 2026-03-12 11:04:04 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-03-14 13:08:49 -0700 |
| commit | a4c6d53e5fd61829f707b7a723dd2937ed67c803 (patch) | |
| tree | cb8800f34361550c64f4694ff31f54c9fb66cffd /net/devlink/dev.c | |
| parent | 104733e1303efcec97c9a581adabbc03c6679006 (diff) | |
devlink: allow devlink instance allocation without a backing device
Allow devlink_alloc_ns() to be called with dev=NULL to support
device-less devlink instances. When dev is NULL, the instance is
identified over netlink using "devlink_index" as bus_name and
the decimal index value as dev_name.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Link: https://patch.msgid.link/20260312100407.551173-11-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/devlink/dev.c')
| -rw-r--r-- | net/devlink/dev.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/devlink/dev.c b/net/devlink/dev.c index e3a36de4f4ae..57b2b8f03543 100644 --- a/net/devlink/dev.c +++ b/net/devlink/dev.c @@ -453,7 +453,8 @@ int devlink_reload(struct devlink *devlink, struct net *dest_net, * (e.g., PCI reset) and to close possible races between these * operations and probe/remove. */ - device_lock_assert(devlink->dev); + if (devlink->dev) + device_lock_assert(devlink->dev); memcpy(remote_reload_stats, devlink->stats.remote_reload_stats, sizeof(remote_reload_stats)); @@ -854,7 +855,7 @@ int devlink_info_version_running_put_ext(struct devlink_info_req *req, } EXPORT_SYMBOL_GPL(devlink_info_version_running_put_ext); -static int devlink_nl_driver_info_get(struct device_driver *drv, +static int devlink_nl_driver_info_get(const struct device_driver *drv, struct devlink_info_req *req) { if (!drv) @@ -872,7 +873,6 @@ devlink_nl_info_fill(struct sk_buff *msg, struct devlink *devlink, enum devlink_command cmd, u32 portid, u32 seq, int flags, struct netlink_ext_ack *extack) { - struct device *dev = devlink_to_dev(devlink); struct devlink_info_req req = {}; void *hdr; int err; @@ -892,7 +892,7 @@ devlink_nl_info_fill(struct sk_buff *msg, struct devlink *devlink, goto err_cancel_msg; } - err = devlink_nl_driver_info_get(dev->driver, &req); + err = devlink_nl_driver_info_get(devlink->dev_driver, &req); if (err) goto err_cancel_msg; |