wl12xx: no need to check return value of debugfs_create functions
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 22 Jan 2019 15:21:26 +0000 (16:21 +0100)
committerKalle Valo <kvalo@codeaurora.org>
Fri, 1 Feb 2019 12:31:21 +0000 (14:31 +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: Kalle Valo <kvalo@codeaurora.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: linux-wireless@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
drivers/net/wireless/ti/wl12xx/debugfs.c

index 0521cbf858cf28e1b7b60b38cb01cc1fb76ed59e..6c3c04eca8fd64bc54d15df321d69f804f5b049f 100644 (file)
@@ -125,20 +125,10 @@ WL12XX_DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, "%u");
 int wl12xx_debugfs_add_files(struct wl1271 *wl,
                             struct dentry *rootdir)
 {
-       int ret = 0;
-       struct dentry *entry, *stats, *moddir;
+       struct dentry *stats, *moddir;
 
        moddir = debugfs_create_dir(KBUILD_MODNAME, rootdir);
-       if (!moddir || IS_ERR(moddir)) {
-               entry = moddir;
-               goto err;
-       }
-
        stats = debugfs_create_dir("fw_stats", moddir);
-       if (!stats || IS_ERR(stats)) {
-               entry = stats;
-               goto err;
-       }
 
        DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow);
 
@@ -232,12 +222,4 @@ int wl12xx_debugfs_add_files(struct wl1271 *wl,
        DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);
 
        return 0;
-
-err:
-       if (IS_ERR(entry))
-               ret = PTR_ERR(entry);
-       else
-               ret = -ENOMEM;
-
-       return ret;
 }