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| author |   Kinglong Mee <kinglongmee@gmail.com> | 2017-03-10 17:54:26 +0800 |
|---|---|---|
| committer |   Jaegeuk Kim <jaegeuk@kernel.org> | 2017-03-21 22:34:28 -0400 |
| commit | 3cecfa5f6700c07ef943ab3d457f82f9868c4bfa (patch) | |
| tree | 9624a885e9adccc979dfc0a186e0598f305b69cf | |
| parent | f2fs: drop duplicate new_size assign in f2fs_zero_range (diff) | |
| download | linux-dev-3cecfa5f6700c07ef943ab3d457f82f9868c4bfa.tar.xz linux-dev-3cecfa5f6700c07ef943ab3d457f82f9868c4bfa.zip | |
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 c3c475675d77..cbde4d23e817 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -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))) |