AuxXxilium/linux_dsm_epyc7002
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staging: comedi: mpc624: remove unnecessary test

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It's not necessaary to vaidate insn->n passed to the (*insn_read)
function. The for() loop following it will just be a NOP.

Remove the test as well as the printk noise.

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>
This commit is contained in:
H Hartley Sweeten 2013-11-26 16:42:09 -07:00 committed by Greg Kroah-Hartman
parent b1ca6b1d47
commit c1ce7f1054
1 changed files with 0 additions and 4 deletions
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4
drivers/staging/comedi/drivers/mpc624.c
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@ -159,10 +159,6 @@ static int mpc624_ai_rinsn(struct comedi_device *dev,
* We always write 0 to GNSWA bit, so the channel range is +-/10.1Vdc
*/
outb(insn->chanspec, dev->iobase + MPC624_GNMUXCH);
if (!insn->n) {
printk(KERN_INFO "MPC624: Warning, no data to acquire\n");
return 0;
}
for (n = 0; n < insn->n; n++) {
/* Trigger the conversion */