diff options
Diffstat (limited to 'drivers/net/netdevsim/dev.c')
| -rw-r--r-- | drivers/net/netdevsim/dev.c | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c index 4b39aba2e9c4..d7706a0346f2 100644 --- a/drivers/net/netdevsim/dev.c +++ b/drivers/net/netdevsim/dev.c @@ -73,23 +73,26 @@ static const struct file_operations nsim_dev_take_snapshot_fops = { static int nsim_dev_debugfs_init(struct nsim_dev *nsim_dev) { - char dev_ddir_name[16]; + char dev_ddir_name[sizeof(DRV_NAME) + 10]; sprintf(dev_ddir_name, DRV_NAME "%u", nsim_dev->nsim_bus_dev->dev.id); nsim_dev->ddir = debugfs_create_dir(dev_ddir_name, nsim_dev_ddir); - if (IS_ERR_OR_NULL(nsim_dev->ddir)) - return PTR_ERR_OR_ZERO(nsim_dev->ddir) ?: -EINVAL; + if (IS_ERR(nsim_dev->ddir)) + return PTR_ERR(nsim_dev->ddir); nsim_dev->ports_ddir = debugfs_create_dir("ports", nsim_dev->ddir); - if (IS_ERR_OR_NULL(nsim_dev->ports_ddir)) - return PTR_ERR_OR_ZERO(nsim_dev->ports_ddir) ?: -EINVAL; + if (IS_ERR(nsim_dev->ports_ddir)) + return PTR_ERR(nsim_dev->ports_ddir); debugfs_create_bool("fw_update_status", 0600, nsim_dev->ddir, &nsim_dev->fw_update_status); debugfs_create_u32("max_macs", 0600, nsim_dev->ddir, &nsim_dev->max_macs); debugfs_create_bool("test1", 0600, nsim_dev->ddir, &nsim_dev->test1); - debugfs_create_file("take_snapshot", 0200, nsim_dev->ddir, nsim_dev, - &nsim_dev_take_snapshot_fops); + nsim_dev->take_snapshot = debugfs_create_file("take_snapshot", + 0200, + nsim_dev->ddir, + nsim_dev, + &nsim_dev_take_snapshot_fops); debugfs_create_bool("dont_allow_reload", 0600, nsim_dev->ddir, &nsim_dev->dont_allow_reload); debugfs_create_bool("fail_reload", 0600, nsim_dev->ddir, @@ -112,8 +115,8 @@ static int nsim_dev_port_debugfs_init(struct nsim_dev *nsim_dev, sprintf(port_ddir_name, "%u", nsim_dev_port->port_index); nsim_dev_port->ddir = debugfs_create_dir(port_ddir_name, nsim_dev->ports_ddir); - if (IS_ERR_OR_NULL(nsim_dev_port->ddir)) - return -ENOMEM; + if (IS_ERR(nsim_dev_port->ddir)) + return PTR_ERR(nsim_dev_port->ddir); sprintf(dev_link_name, "../../../" DRV_NAME "%u", nsim_dev->nsim_bus_dev->dev.id); @@ -270,7 +273,7 @@ struct nsim_trap_data { }; /* All driver-specific traps must be documented in - * Documentation/networking/devlink-trap-netdevsim.rst + * Documentation/networking/devlink/netdevsim.rst */ enum { NSIM_TRAP_ID_BASE = DEVLINK_TRAP_GENERIC_ID_MAX, @@ -740,6 +743,11 @@ static int nsim_dev_reload_create(struct nsim_dev *nsim_dev, if (err) goto err_health_exit; + nsim_dev->take_snapshot = debugfs_create_file("take_snapshot", + 0200, + nsim_dev->ddir, + nsim_dev, + &nsim_dev_take_snapshot_fops); return 0; err_health_exit: @@ -853,6 +861,7 @@ static void nsim_dev_reload_destroy(struct nsim_dev *nsim_dev) if (devlink_is_reload_failed(devlink)) return; + debugfs_remove(nsim_dev->take_snapshot); nsim_dev_port_del_all(nsim_dev); nsim_dev_health_exit(nsim_dev); nsim_dev_traps_exit(devlink); @@ -925,9 +934,7 @@ int nsim_dev_port_del(struct nsim_bus_dev *nsim_bus_dev, int nsim_dev_init(void) { nsim_dev_ddir = debugfs_create_dir(DRV_NAME, NULL); - if (IS_ERR_OR_NULL(nsim_dev_ddir)) - return -ENOMEM; - return 0; + return PTR_ERR_OR_ZERO(nsim_dev_ddir); } void nsim_dev_exit(void) |