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iwlwifi: iwl-drv: no need to check return value of debugfs_create functions

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When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Johannes Berg <johannes.berg@intel.com>
Cc: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Cc: Luca Coelho <luciano.coelho@intel.com>
Cc: Intel Linux Wireless <linuxwifi@intel.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: linux-wireless@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Greg Kroah-Hartman 2019-01-22 16:21:22 +01:00 committed by Luca Coelho
parent 5987dfde6f
commit dc475ae9c0
1 changed files with 0 additions and 22 deletions
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22
drivers/net/wireless/intel/iwlwifi/iwl-drv.c
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@ -1253,11 +1253,6 @@ _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
#ifdef CONFIG_IWLWIFI_DEBUGFS #ifdef CONFIG_IWLWIFI_DEBUGFS
drv->dbgfs_op_mode = debugfs_create_dir(op->name, drv->dbgfs_op_mode = debugfs_create_dir(op->name,
drv->dbgfs_drv); drv->dbgfs_drv);
if (!drv->dbgfs_op_mode) {
IWL_ERR(drv,
"failed to create opmode debugfs directory\n");
return op_mode;
}
dbgfs_dir = drv->dbgfs_op_mode; dbgfs_dir = drv->dbgfs_op_mode;
#endif #endif
@ -1620,20 +1615,8 @@ struct iwl_drv *iwl_drv_start(struct iwl_trans *trans)
drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
iwl_dbgfs_root); iwl_dbgfs_root);
if (!drv->dbgfs_drv) {
IWL_ERR(drv, "failed to create debugfs directory\n");
ret = -ENOMEM;
goto err_free_tlv;
}
/* Create transport layer debugfs dir */ /* Create transport layer debugfs dir */
drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
if (!drv->trans->dbgfs_dir) {
IWL_ERR(drv, "failed to create transport debugfs directory\n");
ret = -ENOMEM;
goto err_free_dbgfs;
}
#endif #endif
ret = iwl_request_firmware(drv, true); ret = iwl_request_firmware(drv, true);
@ -1646,9 +1629,7 @@ struct iwl_drv *iwl_drv_start(struct iwl_trans *trans)
err_fw: err_fw:
#ifdef CONFIG_IWLWIFI_DEBUGFS #ifdef CONFIG_IWLWIFI_DEBUGFS
err_free_dbgfs:
debugfs_remove_recursive(drv->dbgfs_drv); debugfs_remove_recursive(drv->dbgfs_drv);
err_free_tlv:
iwl_fw_dbg_free(drv->trans); iwl_fw_dbg_free(drv->trans);
#endif #endif
kfree(drv); kfree(drv);
@ -1759,9 +1740,6 @@ static int __init iwl_drv_init(void)
#ifdef CONFIG_IWLWIFI_DEBUGFS #ifdef CONFIG_IWLWIFI_DEBUGFS
/* Create the root of iwlwifi debugfs subsystem. */ /* Create the root of iwlwifi debugfs subsystem. */
iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
if (!iwl_dbgfs_root)
return -EFAULT;
#endif #endif
return iwl_pci_register_driver(); return iwl_pci_register_driver();