anchao commented on code in PR #16490:
URL: https://github.com/apache/nuttx/pull/16490#discussion_r2133794895
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fs/vfs/fs_read.c:
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@@ -159,11 +159,23 @@ ssize_t file_readv(FAR struct file *filep,
FAR const struct iovec *iov, int iovcnt)
{
FAR struct inode *inode;
- ssize_t ret = -EBADF;
+ ssize_t ret;
DEBUGASSERT(filep);
inode = filep->f_inode;
+ /* Are all iov_base accessible? */
+
+ for (ret = 0; ret < iovcnt; ret++)
+ {
+ if (iov[ret].iov_base == NULL && iov[ret].iov_len != 0)
Review Comment:
add check for iov == NULL and iovcnt == 0
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