iwlwifi: mvm: no need to check return value of debugfs_create functions

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 <[email protected]>
Cc: Emmanuel Grumbach <[email protected]>
Cc: Luca Coelho <[email protected]>
Cc: Intel Linux Wireless <[email protected]>
Cc: Kalle Valo <[email protected]>
Cc: [email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>

1 files changed, 2 insertions, 15 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
index 2453ceabf00d..9bf2407c9b4b 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
@@ -743,9 +743,8 @@ static ssize_t iwl_dbgfs_quota_min_read(struct file *file,
 #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
 	_MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif)
 #define MVM_DEBUGFS_ADD_FILE_VIF(name, parent, mode) do {		\
-		if (!debugfs_create_file(#name, mode, parent, vif,	\
-					 &iwl_dbgfs_##name##_ops))	\
-			goto err;					\
+		debugfs_create_file(#name, mode, parent, vif,		\
+				    &iwl_dbgfs_##name##_ops);		\
 	} while (0)
 
 MVM_DEBUGFS_READ_FILE_OPS(mac_params);
@@ -775,12 +774,6 @@ void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 
 	mvmvif->dbgfs_dir = debugfs_create_dir("iwlmvm", dbgfs_dir);
 
-	if (!mvmvif->dbgfs_dir) {
-		IWL_ERR(mvm, "Failed to create debugfs directory under %pd\n",
-			dbgfs_dir);
-		return;
-	}
-
 	if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM &&
 	    ((vif->type == NL80211_IFTYPE_STATION && !vif->p2p) ||
 	     (vif->type == NL80211_IFTYPE_STATION && vif->p2p)))
@@ -812,12 +805,6 @@ void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 
 	mvmvif->dbgfs_slink = debugfs_create_symlink(dbgfs_dir->d_name.name,
 						     mvm->debugfs_dir, buf);
-	if (!mvmvif->dbgfs_slink)
-		IWL_ERR(mvm, "Can't create debugfs symbolic link under %pd\n",
-			dbgfs_dir);
-	return;
-err:
-	IWL_ERR(mvm, "Can't create debugfs entity\n");
 }
 
 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)