diff options
| author |   Dan Carpenter <dan.carpenter@oracle.com> | 2018-07-04 12:29:38 +0300 |
|---|---|---|
| committer |   Johan Hovold <johan@kernel.org> | 2018-07-04 15:40:54 +0200 |
| commit | e33eab9ded328ccc14308afa51b5be7cbe78d30b (patch) | |
| tree | 6bfa33296602bd3e3a1b72e1142c25b69fe1063a /include | |
| parent | Linux 4.18-rc3 (diff) | |
USB: serial: ch341: fix type promotion bug in ch341_control_in()
The "r" variable is an int and "bufsize" is an unsigned int so the
comparison is type promoted to unsigned. If usb_control_msg() returns a
negative that is treated as a high positive value and the error handling
doesn't work.
Fixes: 2d5a9c72d0c4 ("USB: serial: ch341: fix control-message error handling")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions