yamt commented on code in PR #13498:
URL: https://github.com/apache/nuttx/pull/13498#discussion_r1818306220
##########
drivers/misc/dev_zero.c:
##########
@@ -70,26 +73,39 @@ static const struct file_operations g_devzero_fops =
* Name: devzero_read
****************************************************************************/
-static ssize_t devzero_read(FAR struct file *filep, FAR char *buffer,
- size_t len)
+static ssize_t devzero_readv(FAR struct file *filep,
+ FAR const struct uio *uio)
{
+ ssize_t total = iovec_total_len(uio);
+ int i;
+
UNUSED(filep);
- memset(buffer, 0, len);
- return len;
+ if (total < 0)
+ {
+ return total;
+ }
+
+ FAR const struct iovec *iov = uio->uio_iov;
Review Comment:
done
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