1 files changed, 4 insertions, 12 deletions

diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c
index 3bdfbf88a0ae..ea337a718cc1 100644
--- a/drivers/usb/core/file.c
+++ b/drivers/usb/core/file.c
@@ -29,27 +29,19 @@ static DECLARE_RWSEM(minor_rwsem);
 
 static int usb_open(struct inode *inode, struct file *file)
 {
-        int minor = iminor(inode);
-        const struct file_operations *c;
         int err = -ENODEV;
-        const struct file_operations *old_fops, *new_fops = NULL;
+        const struct file_operations *new_fops;
 
         down_read(&minor_rwsem);
-        c = usb_minors[minor];
+        new_fops = fops_get(usb_minors[iminor(inode)]);
 
-        if (!c || !(new_fops = fops_get(c)))
+        if (!new_fops)
                 goto done;
 
-        old_fops = file->f_op;
-        file->f_op = new_fops;
+        replace_fops(file, new_fops);
         /* Curiouser and curiouser... NULL ->open() as "no device" ? */
         if (file->f_op->open)
                 err = file->f_op->open(inode, file);
-        if (err) {
-                fops_put(file->f_op);
-                file->f_op = fops_get(old_fops);
-        }
-        fops_put(old_fops);
  done:
         up_read(&minor_rwsem);
         return err;