diff options
| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2014-04-17 10:08:01 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-04-22 10:21:31 -0700 |
| commit | 025b918731e4ee46ee8a27073281b2db715f79e2 (patch) | |
| tree | ff457e89119957699519c88ed544101c0cffd896 | |
| parent | 4264cb64069e1c746483938c09e0df1099befd8b (diff) | |
staging: comedi: me4000: validate the cmd->start_arg
The cmd->start_arg should be trivially validated in Step 3 of the
(*do_cmdtest) functions. Add the necessary code.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/comedi/drivers/me4000.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/staging/comedi/drivers/me4000.c b/drivers/staging/comedi/drivers/me4000.c index e1465559756f..f43221fcd15e 100644 --- a/drivers/staging/comedi/drivers/me4000.c +++ b/drivers/staging/comedi/drivers/me4000.c @@ -918,6 +918,8 @@ static int me4000_ai_do_cmd_test(struct comedi_device *dev, /* Step 3: check if arguments are trivially valid */ + err |= cfc_check_trigger_arg_is(&cmd->start_arg, 0); + if (cmd->chanlist_len < 1) { cmd->chanlist_len = 1; err |= -EINVAL; |