[dpdk-dev] [PATCH v2] examples/vhost: fix potentially overflowing expression
Cheng Jiang
Cheng1.jiang at intel.com
Tue Feb 2 08:24:21 CET 2021
Change the type of buff_idx from uint64_t to uint32_t to fix coverity
issue.
Coverity issue: 366264
Fixes: a68ba8e0a6b6 ("examples/vhost: refactor vhost data path")
Signed-off-by: Cheng Jiang <Cheng1.jiang at intel.com>
---
v2: fixed the format of git log
examples/vhost/main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/examples/vhost/main.c b/examples/vhost/main.c
index 233a2dc6e..e74fc8750 100644
--- a/examples/vhost/main.c
+++ b/examples/vhost/main.c
@@ -864,7 +864,7 @@ static __rte_always_inline void
drain_vhost(struct vhost_dev *vdev)
{
uint16_t ret;
- uint64_t buff_idx = rte_lcore_id() * MAX_VHOST_DEVICE + vdev->vid;
+ uint32_t buff_idx = rte_lcore_id() * MAX_VHOST_DEVICE + vdev->vid;
uint16_t nr_xmit = vhost_txbuff[buff_idx]->len;
struct rte_mbuf **m = vhost_txbuff[buff_idx]->m_table;
--
2.29.2
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