rtlwifi: no need to check return value of debugfs_create functions
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 22 Jan 2019 15:21:33 +0000 (16:21 +0100)
committerKalle Valo <kvalo@codeaurora.org>
Fri, 1 Feb 2019 12:33:13 +0000 (14:33 +0200)
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: Ping-Ke Shih <pkshih@realtek.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: linux-wireless@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
drivers/net/wireless/realtek/rtlwifi/debug.c

index d70385be99762e97507b998a1711c150182490f5..8186650efc56ee03aa383d6236c4b91d60715f10 100644 (file)
@@ -463,12 +463,9 @@ static const struct file_operations file_ops_common_write = {
 #define RTL_DEBUGFS_ADD_CORE(name, mode, fopname)                         \
        do {                                                               \
                rtl_debug_priv_ ##name.rtlpriv = rtlpriv;                  \
-               if (!debugfs_create_file(#name, mode,                      \
-                                        parent, &rtl_debug_priv_ ##name,  \
-                                        &file_ops_ ##fopname))            \
-                       pr_err("Unable to initialize debugfs:%s/%s\n",     \
-                              rtlpriv->dbg.debugfs_name,                  \
-                              #name);                                     \
+               debugfs_create_file(#name, mode, parent,                   \
+                                   &rtl_debug_priv_ ##name,               \
+                                   &file_ops_ ##fopname);                 \
        } while (0)
 
 #define RTL_DEBUGFS_ADD(name)                                             \
@@ -486,11 +483,6 @@ void rtl_debug_add_one(struct ieee80211_hw *hw)
 
        rtlpriv->dbg.debugfs_dir =
                debugfs_create_dir(rtlpriv->dbg.debugfs_name, debugfs_topdir);
-       if (!rtlpriv->dbg.debugfs_dir) {
-               pr_err("Unable to init debugfs:/%s/%s\n", rtlpriv->cfg->name,
-                      rtlpriv->dbg.debugfs_name);
-               return;
-       }
 
        parent = rtlpriv->dbg.debugfs_dir;