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vhost: fix sign extension in async split ring

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Change the variable type in store_dma_desc_info_split() to fix
suspicious implicit sign extension.

Coverity issue: 370604, 370607, 370609
Fixes: 3d6cb86b0de5 ("vhost: refactor async split ring functions")

Signed-off-by: Cheng Jiang <cheng1.jiang@intel.com>
This commit is contained in:
Cheng Jiang 2021-05-12 02:30:41 +00:00 committed by Chenbo Xia
parent 4b42104c47
commit 11a7cd8c92
1 changed files with 1 additions and 1 deletions
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lib/vhost/virtio_net.c
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@ -1474,7 +1474,7 @@ static __rte_always_inline void
store_dma_desc_info_split(struct vring_used_elem *s_ring, struct vring_used_elem *d_ring,
uint16_t ring_size, uint16_t s_idx, uint16_t d_idx, uint16_t count)
{
uint16_t elem_size = sizeof(struct vring_used_elem);
size_t elem_size = sizeof(struct vring_used_elem);
if (d_idx + count <= ring_size) {
rte_memcpy(d_ring + d_idx, s_ring + s_idx, count * elem_size);