Merge branch 'debugfs_automount' of git://git.kernel.org/pub/scm/linux/kernel/git...

[firefly-linux-kernel-4.4.55.git] / drivers / usb / gadget / udc / atmel_usba_udc.c

diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
index c0410862c2a16944520b690c9981d2986da987ee..d79cb35dbf8a2099dab062473ed9e70a21feca2d 100644 (file)
--- a/drivers/usb/gadget/udc/atmel_usba_udc.c
+++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
@@ -265,14 +265,17 @@ static void usba_init_debugfs(struct usba_udc *udc)
                goto err_root;
        udc->debugfs_root = root;
 
-       regs = debugfs_create_file("regs", 0400, root, udc, &regs_dbg_fops);
-       if (!regs)
-               goto err_regs;
-
        regs_resource = platform_get_resource(udc->pdev, IORESOURCE_MEM,
                                CTRL_IOMEM_ID);
-       regs->d_inode->i_size = resource_size(regs_resource);
-       udc->debugfs_regs = regs;
+
+       if (regs_resource) {
+               regs = debugfs_create_file_size("regs", 0400, root, udc,
+                                               &regs_dbg_fops,
+                                               resource_size(regs_resource));
+               if (!regs)
+                       goto err_regs;
+               udc->debugfs_regs = regs;
+       }
 
        usba_ep_init_debugfs(udc, to_usba_ep(udc->gadget.ep0));