D55438.diff
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D55438.diff
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	diff --git a/usr.sbin/bhyve/iov.c b/usr.sbin/bhyve/iov.c
	--- a/usr.sbin/bhyve/iov.c
	+++ b/usr.sbin/bhyve/iov.c
	@@ -81,19 +81,14 @@
	void
	truncate_iov(struct iovec iov, int niov, size_t length)
	{
	- size_t done = 0;
	int i;

	- for (i = 0; i < *niov; i++) {
	- size_t toseek = MIN(length - done, iov[i].iov_len);
	- done += toseek;
	-
	- if (toseek <= iov[i].iov_len) {
	- iov[i].iov_len = toseek;
	- *niov = i + 1;
	- return;
	- }
	+ for (i = 0; i < *niov && length > 0; i++) {
	+ if (length < iov[i].iov_len)
	+ iov[i].iov_len = length;
	+ length -= iov[i].iov_len;
	}
	+ *niov = i;
	}

	ssize_t