Commit 3cecfa5f authored Mar 10, 2017 by Kinglong Mee Committed by Jaegeuk Kim Mar 21, 2017

f2fs: avoid copy date to user-space if move file range fail



If move file range return error, the data copied to user-space is duplicate.

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

parent 087d3d8b

fs/f2fs/file.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -2208,6 +2208,8 @@ static int f2fs_ioc_move_range(struct file *filp, unsigned long arg)
		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)))