USB: isp116x-hcd: 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: Olav Kongas <ok@artecdesign.ee>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c
index 4602ed801f0a8e0269eb1b0b83d60458c2cccf06..74da136d322ac93aba9e8ab7b6352e51bb5f86c0 100644 (file)
--- a/drivers/usb/host/isp116x-hcd.c
+++ b/drivers/usb/host/isp116x-hcd.c
@@ -1198,14 +1198,11 @@ static int isp116x_debug_show(struct seq_file *s, void *unused)
 }
 DEFINE_SHOW_ATTRIBUTE(isp116x_debug);
 
-static int create_debug_file(struct isp116x *isp116x)
+static void create_debug_file(struct isp116x *isp116x)
 {
        isp116x->dentry = debugfs_create_file(hcd_name,
                                              S_IRUGO, NULL, isp116x,
                                              &isp116x_debug_fops);
-       if (!isp116x->dentry)
-               return -ENOMEM;
-       return 0;
 }
 
 static void remove_debug_file(struct isp116x *isp116x)
@@ -1215,8 +1212,8 @@ static void remove_debug_file(struct isp116x *isp116x)
 
 #else
 
-#define        create_debug_file(d)    0
-#define        remove_debug_file(d)    do{}while(0)
+static inline void create_debug_file(struct isp116x *isp116x) { }
+static inline void remove_debug_file(struct isp116x *isp116x) { }
 
 #endif                         /* CONFIG_DEBUG_FS */
 
@@ -1643,16 +1640,10 @@ static int isp116x_probe(struct platform_device *pdev)
 
        device_wakeup_enable(hcd->self.controller);
 
-       ret = create_debug_file(isp116x);
-       if (ret) {
-               ERR("Couldn't create debugfs entry\n");
-               goto err7;
-       }
+       create_debug_file(isp116x);
 
        return 0;
 
-      err7:
-       usb_remove_hcd(hcd);
       err6:
        usb_put_hcd(hcd);
       err5: