diff options
| -rw-r--r-- | drivers/md/md.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index e25f00f0138a..4d47a9ab8228 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5765,16 +5765,16 @@ static int get_bitmap_file(struct mddev *mddev, void __user * arg) err = 0; spin_lock(&mddev->lock); - /* bitmap disabled, zero the first byte and copy out */ - if (!mddev->bitmap_info.file) - file->pathname[0] = '\0'; - else if ((ptr = file_path(mddev->bitmap_info.file, - file->pathname, sizeof(file->pathname))), - IS_ERR(ptr)) - err = PTR_ERR(ptr); - else - memmove(file->pathname, ptr, - sizeof(file->pathname)-(ptr-file->pathname)); + /* bitmap enabled */ + if (mddev->bitmap_info.file) { + ptr = file_path(mddev->bitmap_info.file, file->pathname, + sizeof(file->pathname)); + if (IS_ERR(ptr)) + err = PTR_ERR(ptr); + else + memmove(file->pathname, ptr, + sizeof(file->pathname)-(ptr-file->pathname)); + } spin_unlock(&mddev->lock); if (err == 0 && |