[dpdk-dev] [PATCH 5/5] net/ixgbe: fix dereference after null check coverity

Xiao Zhang xiao.zhang at intel.com
Sun Aug 4 23:00:30 CEST 2019


The address of receive queue start segment was not updated when found by
iterated checking, update the address to fix coverity issue.

Coverity issue: 13245
Fixes: 8a44c15a ("net/ixgbe: extract non-x86 specific code from vector
driver")
Cc: stable at dpdk.org

Signed-off-by: Xiao Zhang <xiao.zhang at intel.com>
---
 drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c b/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
index c9ba482..bf38751 100644
--- a/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
@@ -607,6 +607,7 @@ ixgbe_recv_scattered_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
 		/* find the first split flag, and only reassemble then*/
 		while (i < nb_bufs && !split_flags[i])
 			i++;
+		rxq->pkt_first_seg = rx_pkts[i];
 		if (i == nb_bufs)
 			return nb_bufs;
 	}
-- 
2.7.4



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