Cleanup and sanity-checking of unintentional integer overflow, unsigned/zero comparis...

[palacios.git] / palacios / src / devices / lnx_virtio_nic.c

diff --git a/palacios/src/devices/lnx_virtio_nic.c b/palacios/src/devices/lnx_virtio_nic.c
index ad0b9e9..b22a5be 100644 (file)
--- a/palacios/src/devices/lnx_virtio_nic.c
+++ b/palacios/src/devices/lnx_virtio_nic.c
@@ -612,7 +612,8 @@ static int virtio_rx(uint8_t * buf, uint32_t size, void * private_data) {
     if (q->cur_avail_idx != q->avail->index){
        uint16_t buf_idx;
        struct vring_desc * buf_desc;
-       uint32_t hdr_len, len;
+       uint32_t hdr_len;
+       int len;
        uint32_t offset = 0;
 
        hdr_len = (virtio->mergeable_rx_bufs)?