diff options
| author | Kinglong Mee <kinglongmee@gmail.com> | 2017-03-10 17:54:26 +0800 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2017-05-21 18:38:16 +0200 |
| commit | 66acc05138b9cacd042833ccbc685f32b4791fd3 (patch) | |
| tree | c55fc82f9b24baf28940c7e470e67499a8cc03f2 | |
| parent | b462431d880a018de1be038536175b654500d527 (diff) | |
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>
| -rw-r--r-- | fs/f2fs/file.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 3ee311c5c..784994636 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -2235,6 +2235,8 @@ 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))) |