new helper: file_inode(file)

[mirror_ubuntu-artful-kernel.git] / drivers / usb / gadget / atmel_usba_udc.c

diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index a7aed84d98c99b7acdc5d5faa180b924060f1d05..fd49dba53613824c9f4a06d20b6d5258663763cd 100644 (file)
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -93,7 +93,7 @@ static ssize_t queue_dbg_read(struct file *file, char __user *buf,
        if (!access_ok(VERIFY_WRITE, buf, nbytes))
                return -EFAULT;
 
-       mutex_lock(&file->f_dentry->d_inode->i_mutex);
+       mutex_lock(&file_inode(file)->i_mutex);
        list_for_each_entry_safe(req, tmp_req, queue, queue) {
                len = snprintf(tmpbuf, sizeof(tmpbuf),
                                "%8p %08x %c%c%c %5d %c%c%c\n",
@@ -120,7 +120,7 @@ static ssize_t queue_dbg_read(struct file *file, char __user *buf,
                nbytes -= len;
                buf += len;
        }
-       mutex_unlock(&file->f_dentry->d_inode->i_mutex);
+       mutex_unlock(&file_inode(file)->i_mutex);
 
        return actual;
 }
@@ -168,13 +168,13 @@ out:
 static ssize_t regs_dbg_read(struct file *file, char __user *buf,
                size_t nbytes, loff_t *ppos)
 {
-       struct inode *inode = file->f_dentry->d_inode;
+       struct inode *inode = file_inode(file);
        int ret;
 
        mutex_lock(&inode->i_mutex);
        ret = simple_read_from_buffer(buf, nbytes, ppos,
                        file->private_data,
-                       file->f_dentry->d_inode->i_size);
+                       file_inode(file)->i_size);
        mutex_unlock(&inode->i_mutex);
 
        return ret;