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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2017-04-14 22:11:53 +0300 |
|---|---|---|
| committer | Mike Marshall <hubcap@omnibond.com> | 2017-04-26 14:33:01 -0400 |
| commit | 907bfcd8d8a616ca794ba187f6bf1b0e12b3a8dd (patch) | |
| tree | 482e24eb60a07687094903cf17af88645f3a2fca /fs/file.c | |
| parent | b5a9d61eebdd0016ccb383b25a5c3d04977a6549 (diff) | |
| download | linux-907bfcd8d8a616ca794ba187f6bf1b0e12b3a8dd.tar.bz2 | |
orangefs: handle zero size write in debugfs
If we write zero bytes to this debugfs file, then it will cause an
underflow when we do copy_from_user(buf, ubuf, count - 1). Debugfs can
normally only be written to by root so the impact of this is low.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
Diffstat (limited to 'fs/file.c')
0 files changed, 0 insertions, 0 deletions