From: Laurent Vivier <lvivier(a)redhat.com> Not entirely clear to me why, but Laurent proposed this patch to fix an issue were we would end up with a zero buf_cnt in tcp_vu_data_from_sock() and all sorts of weirdnesses. Reported-by: David Gibson <david(a)gibson.dropbear.id.au> [sbrivio: commit message, albeit not really descriptive] Signed-off-by: Stefano Brivio <sbrivio(a)redhat.com> --- tcp_vu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tcp_vu.c b/tcp_vu.c index fad7065..0622f17 100644 --- a/tcp_vu.c +++ b/tcp_vu.c @@ -261,7 +261,7 @@ static ssize_t tcp_vu_sock_recv(const struct ctx *c, len -= iov->iov_len; } /* adjust head count */ - while (head_cnt > 0 && head[head_cnt - 1] > i) + while (head_cnt > 0 && head[head_cnt - 1] >= i) head_cnt--; /* mark end of array */ head[head_cnt] = i; -- 2.43.0