diff options
Diffstat (limited to 'drivers/iio/industrialio-core.c')
| -rw-r--r-- | drivers/iio/industrialio-core.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index a2117ad1337d..b9f4113ae5fc 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -410,11 +410,12 @@ static ssize_t iio_debugfs_write_reg(struct file *file, char buf[80]; int ret; - count = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, userbuf, count)) - return -EFAULT; + ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, userbuf, + count); + if (ret < 0) + return ret; - buf[count] = 0; + buf[count] = '\0'; ret = sscanf(buf, "%i %i", ®, &val); |