From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/staging/comedi/range.c | 17 +++++++----------
1 files changed, 7 insertions(+), 10 deletions(-)
diff --git a/kernel/drivers/staging/comedi/range.c b/kernel/drivers/staging/comedi/range.c
index 89d5998..a4e6fe0 100644
--- a/kernel/drivers/staging/comedi/range.c
+++ b/kernel/drivers/staging/comedi/range.c
@@ -46,17 +46,14 @@
* array of comedi_krange structures to rangeinfo->range_ptr pointer
*/
int do_rangeinfo_ioctl(struct comedi_device *dev,
- struct comedi_rangeinfo __user *arg)
+ struct comedi_rangeinfo *it)
{
- struct comedi_rangeinfo it;
int subd, chan;
const struct comedi_lrange *lr;
struct comedi_subdevice *s;
- if (copy_from_user(&it, arg, sizeof(struct comedi_rangeinfo)))
- return -EFAULT;
- subd = (it.range_type >> 24) & 0xf;
- chan = (it.range_type >> 16) & 0xff;
+ subd = (it->range_type >> 24) & 0xf;
+ chan = (it->range_type >> 16) & 0xff;
if (!dev->attached)
return -EINVAL;
@@ -73,15 +70,15 @@
return -EINVAL;
}
- if (RANGE_LENGTH(it.range_type) != lr->length) {
+ if (RANGE_LENGTH(it->range_type) != lr->length) {
dev_dbg(dev->class_dev,
"wrong length %d should be %d (0x%08x)\n",
- RANGE_LENGTH(it.range_type),
- lr->length, it.range_type);
+ RANGE_LENGTH(it->range_type),
+ lr->length, it->range_type);
return -EINVAL;
}
- if (copy_to_user(it.range_ptr, lr->range,
+ if (copy_to_user(it->range_ptr, lr->range,
sizeof(struct comedi_krange) * lr->length))
return -EFAULT;
--
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