Messages in this thread Patch in this message | | | From | Cheah Kok Cheong <> | Subject | [PATCH v2 1/2] Staging: comedi: comedi_fops: Change comedi_num_legacy_minors type | Date | Wed, 8 Mar 2017 02:13:58 +0800 |
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Change to unsigned to allow removal of negative value check in init section. Use smaller data type since the max possible value currently is 48.
Signed-off-by: Cheah Kok Cheong <thrust73@gmail.com> ---
V2: -No changes.
drivers/staging/comedi/comedi_fops.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index 57e8599..354d264 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -76,8 +76,8 @@ struct comedi_file { #define COMEDI_NUM_SUBDEVICE_MINORS \ (COMEDI_NUM_MINORS - COMEDI_NUM_BOARD_MINORS) -static int comedi_num_legacy_minors; -module_param(comedi_num_legacy_minors, int, 0444); +static unsigned short comedi_num_legacy_minors; +module_param(comedi_num_legacy_minors, ushort, 0444); MODULE_PARM_DESC(comedi_num_legacy_minors, "number of comedi minor devices to reserve for non-auto-configured devices (default 0)" ); @@ -2857,8 +2857,7 @@ static int __init comedi_init(void) pr_info("version " COMEDI_RELEASE " - http://www.comedi.org\n"); - if (comedi_num_legacy_minors < 0 || - comedi_num_legacy_minors > COMEDI_NUM_BOARD_MINORS) { + if (comedi_num_legacy_minors > COMEDI_NUM_BOARD_MINORS) { pr_err("invalid value for module parameter \"comedi_num_legacy_minors\". Valid values are 0 through %i.\n", COMEDI_NUM_BOARD_MINORS); return -EINVAL; -- 2.7.4
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