From: Chao Yu <yuchao0@xxxxxxxxxx> [ Upstream commit 3a1b9eaf727b4ab84ebf059e09c38fc6a53e5614 ] Fields in struct f2fs_move_range won't change in f2fs_ioc_move_range(), let's avoid copying this structure's data to userspace. Signed-off-by: Chao Yu <yuchao0@xxxxxxxxxx> Reviewed-by: Eric Biggers <ebiggers@xxxxxxxxxx> Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- fs/f2fs/file.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 9f857e5709b6..5c74b2997197 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -2913,12 +2913,6 @@ static int __f2fs_ioc_move_range(struct file *filp, range->pos_out, range->len); mnt_drop_write_file(filp); - if (err) - goto err_out; - - if (copy_to_user((struct f2fs_move_range __user *)arg, - &range, sizeof(range))) - err = -EFAULT; err_out: fdput(dst); return err; -- 2.30.2
