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author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2014-05-27 10:13:01 -0700 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-28 14:25:58 -0700 |
commit | 66e3015f6ec84f7143af0f01ce096b6cd9e1a4b9 (patch) | |
tree | 1e1db57da4f2f6736a06e5de0009f937f23c353f | |
parent | dcd0a7a3417833cb0d2f5df10eaf39d3f9da2517 (diff) | |
download | blackbird-obmc-linux-66e3015f6ec84f7143af0f01ce096b6cd9e1a4b9.tar.gz blackbird-obmc-linux-66e3015f6ec84f7143af0f01ce096b6cd9e1a4b9.zip |
staging: comedi: addi_apci_3xxx: use comedi_fc helpers to validate timer arg
Use the comedi_fc helper cfc_check_trigger_arg_is() to validate the
trigger argument when the source is TRIG_TIMER.
For aesthetics, rename the local variable 'tmp' to 'arg'.
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/addi_apci_3xxx.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/staging/comedi/drivers/addi_apci_3xxx.c b/drivers/staging/comedi/drivers/addi_apci_3xxx.c index df3b63ac4a0e..0532b6cc40e3 100644 --- a/drivers/staging/comedi/drivers/addi_apci_3xxx.c +++ b/drivers/staging/comedi/drivers/addi_apci_3xxx.c @@ -533,7 +533,7 @@ static int apci3xxx_ai_cmdtest(struct comedi_device *dev, { const struct apci3xxx_boardinfo *board = comedi_board(dev); int err = 0; - unsigned int tmp; + unsigned int arg; /* Step 1 : check if triggers are trivially valid */ @@ -573,11 +573,9 @@ static int apci3xxx_ai_cmdtest(struct comedi_device *dev, /* step 4: fix up any arguments */ - tmp = cmd->convert_arg; - err |= apci3xxx_ai_ns_to_timer(dev, &cmd->convert_arg, - cmd->flags & TRIG_ROUND_MASK); - if (tmp != cmd->convert_arg) - err |= -EINVAL; + arg = cmd->convert_arg; + err |= apci3xxx_ai_ns_to_timer(dev, &arg, cmd->flags & TRIG_ROUND_MASK); + err |= cfc_check_trigger_arg_is(&cmd->convert_arg, arg); if (err) return 4; |