1 files changed, 4 insertions, 8 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 5438834bf54d..bddecc01c333 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5502,7 +5502,7 @@ static int get_array_info(struct mddev *mddev, void __user *arg)
 static int get_bitmap_file(struct mddev *mddev, void __user * arg)
 {
         mdu_bitmap_file_t *file = NULL; /* too big for stack allocation */
-        char *ptr, *buf = NULL;
+        char *ptr;
         int err = -ENOMEM;
 
         file = kmalloc(sizeof(*file), GFP_NOIO);
@@ -5516,23 +5516,19 @@ static int get_bitmap_file(struct mddev *mddev, void __user * arg)
                 goto copy_out;
         }
 
-        buf = kmalloc(sizeof(file->pathname), GFP_KERNEL);
-        if (!buf)
-                goto out;
-
         ptr = d_path(&mddev->bitmap->storage.file->f_path,
-                     buf, sizeof(file->pathname));
+                     file->pathname, sizeof(file->pathname));
         if (IS_ERR(ptr))
                 goto out;
 
-        strcpy(file->pathname, ptr);
+        memmove(file->pathname, ptr,
+                sizeof(file->pathname)-(ptr-file->pathname));
 
 copy_out:
         err = 0;
         if (copy_to_user(arg, file, sizeof(*file)))
                 err = -EFAULT;
 out:
-        kfree(buf);
         kfree(file);
         return err;
 }