This patch fixs coverity issue by adding initialization step before
using temporary virtio header.
Coverity issue: 366181
Fixes: fb3815cc614d ("vhost: handle virtually non-contiguous buffers in Rx-mrg")
Cc: sta...@dpdk.org
Signed-off-by: Marvin Liu <yong....@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coque...@redhat.com>
diff --git a/lib/librte_vhost/virtio_net.c b/lib/librte_vhost/virtio_net.c
index 7f621fb6dd..48b013a9b4 100644
--- a/lib/librte_vhost/virtio_net.c
+++ b/lib/librte_vhost/virtio_net.c
@@ -812,9 +812,10 @@ copy_mbuf_to_desc(struct virtio_net *dev, struct
vhost_virtqueue *vq,
hdr_mbuf = m;
hdr_addr = buf_addr;
- if (unlikely(buf_len < dev->vhost_hlen))
+ if (unlikely(buf_len < dev->vhost_hlen)) {
+ memset(&tmp_hdr, 0, sizeof(struct virtio_net_hdr_mrg_rxbuf));
hdr = &tmp_hdr;
- else
+ } else
hdr = (struct virtio_net_hdr_mrg_rxbuf *)(uintptr_t)hdr_addr;
VHOST_LOG_DATA(DEBUG, "(%d) RX: num merge buffers %d\n",
--
2.17.1
