From: Bruce Richardson <bruce.richardson@intel.com>
Date: Tue, 16 Dec 2014 16:30:23 +0000 (+0000)
Subject: ixgbe: fix array overflow in vector Rx
X-Git-Tag: spdx-start~9938
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=199e6b913ed1500476c1ac79d4437a6b6600ea30;p=dpdk.git

ixgbe: fix array overflow in vector Rx

Switch the order of the conditions in a while loop, so we check the
range of "i" against the max, before using it to index into the array.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---

diff --git a/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c b/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c
index 3a30fa7ea2..b54cb19129 100644
--- a/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c
+++ b/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c
@@ -489,7 +489,7 @@ ixgbe_recv_scattered_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
 	unsigned i = 0;
 	if (rxq->pkt_first_seg == NULL) {
 		/* find the first split flag, and only reassemble then*/
-		while (!split_flags[i] && i < nb_bufs)
+		while (i < nb_bufs && !split_flags[i])
 			i++;
 		if (i == nb_bufs)
 			return nb_bufs;