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netdevsim: use IS_ERR instead of IS_ERR_OR_NULL for debugfs
Debugfs APIs return valid pointer or error pointer. it doesn't return NULL. So, using IS_ERR is enough, not using IS_ERR_OR_NULL. Reviewed-by: Jakub Kicinski <kuba@kernel.org> Reported-by: kbuild test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Taehee Yoo <ap420073@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
parent
6fb8852b12
commit
6556ff32f1
3 changed files with 16 additions and 14 deletions
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@ -218,6 +218,7 @@ static int nsim_bpf_create_prog(struct nsim_dev *nsim_dev,
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{
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struct nsim_bpf_bound_prog *state;
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char name[16];
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int ret;
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state = kzalloc(sizeof(*state), GFP_KERNEL);
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if (!state)
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@ -230,9 +231,10 @@ static int nsim_bpf_create_prog(struct nsim_dev *nsim_dev,
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/* Program id is not populated yet when we create the state. */
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sprintf(name, "%u", nsim_dev->prog_id_gen++);
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state->ddir = debugfs_create_dir(name, nsim_dev->ddir_bpf_bound_progs);
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if (IS_ERR_OR_NULL(state->ddir)) {
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if (IS_ERR(state->ddir)) {
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ret = PTR_ERR(state->ddir);
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kfree(state);
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return -ENOMEM;
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return ret;
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}
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debugfs_create_u32("id", 0400, state->ddir, &prog->aux->id);
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@ -587,8 +589,8 @@ int nsim_bpf_dev_init(struct nsim_dev *nsim_dev)
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nsim_dev->ddir_bpf_bound_progs = debugfs_create_dir("bpf_bound_progs",
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nsim_dev->ddir);
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if (IS_ERR_OR_NULL(nsim_dev->ddir_bpf_bound_progs))
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return -ENOMEM;
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if (IS_ERR(nsim_dev->ddir_bpf_bound_progs))
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return PTR_ERR(nsim_dev->ddir_bpf_bound_progs);
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nsim_dev->bpf_dev = bpf_offload_dev_create(&nsim_bpf_dev_ops, nsim_dev);
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err = PTR_ERR_OR_ZERO(nsim_dev->bpf_dev);
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@ -77,11 +77,11 @@ static int nsim_dev_debugfs_init(struct nsim_dev *nsim_dev)
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sprintf(dev_ddir_name, DRV_NAME "%u", nsim_dev->nsim_bus_dev->dev.id);
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nsim_dev->ddir = debugfs_create_dir(dev_ddir_name, nsim_dev_ddir);
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if (IS_ERR_OR_NULL(nsim_dev->ddir))
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return PTR_ERR_OR_ZERO(nsim_dev->ddir) ?: -EINVAL;
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if (IS_ERR(nsim_dev->ddir))
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return PTR_ERR(nsim_dev->ddir);
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nsim_dev->ports_ddir = debugfs_create_dir("ports", nsim_dev->ddir);
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if (IS_ERR_OR_NULL(nsim_dev->ports_ddir))
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return PTR_ERR_OR_ZERO(nsim_dev->ports_ddir) ?: -EINVAL;
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if (IS_ERR(nsim_dev->ports_ddir))
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return PTR_ERR(nsim_dev->ports_ddir);
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debugfs_create_bool("fw_update_status", 0600, nsim_dev->ddir,
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&nsim_dev->fw_update_status);
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debugfs_create_u32("max_macs", 0600, nsim_dev->ddir,
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@ -115,8 +115,8 @@ static int nsim_dev_port_debugfs_init(struct nsim_dev *nsim_dev,
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sprintf(port_ddir_name, "%u", nsim_dev_port->port_index);
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nsim_dev_port->ddir = debugfs_create_dir(port_ddir_name,
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nsim_dev->ports_ddir);
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if (IS_ERR_OR_NULL(nsim_dev_port->ddir))
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return -ENOMEM;
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if (IS_ERR(nsim_dev_port->ddir))
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return PTR_ERR(nsim_dev_port->ddir);
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sprintf(dev_link_name, "../../../" DRV_NAME "%u",
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nsim_dev->nsim_bus_dev->dev.id);
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@ -934,8 +934,8 @@ int nsim_dev_port_del(struct nsim_bus_dev *nsim_bus_dev,
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int nsim_dev_init(void)
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{
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nsim_dev_ddir = debugfs_create_dir(DRV_NAME, NULL);
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if (IS_ERR_OR_NULL(nsim_dev_ddir))
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return -ENOMEM;
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if (IS_ERR(nsim_dev_ddir))
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return PTR_ERR(nsim_dev_ddir);
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return 0;
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}
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@ -285,8 +285,8 @@ int nsim_dev_health_init(struct nsim_dev *nsim_dev, struct devlink *devlink)
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}
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health->ddir = debugfs_create_dir("health", nsim_dev->ddir);
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if (IS_ERR_OR_NULL(health->ddir)) {
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err = PTR_ERR_OR_ZERO(health->ddir) ?: -EINVAL;
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if (IS_ERR(health->ddir)) {
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err = PTR_ERR(health->ddir);
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goto err_dummy_reporter_destroy;
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}
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