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vhost/crypto: fix checks while moving descriptors

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This patch fix final condition check while moving virtqueue
descriptors.

Fixes: 3bb595ecd6 ("vhost/crypto: add request handler")

Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
This commit is contained in:
Fan Zhang 2018-04-27 15:06:08 +01:00 committed by Thomas Monjalon
parent d4cc4c65df
commit 613e827fb2
1 changed files with 2 additions and 2 deletions
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4
lib/librte_vhost/vhost_crypto.c
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@ -506,7 +506,7 @@ move_desc(struct vring_desc *head, struct vring_desc **cur_desc,
left -= desc->len;
}
if (unlikely(left < 0)) {
if (unlikely(left > 0)) {
VC_LOG_ERR("Incorrect virtio descriptor");
return -1;
}
@ -553,7 +553,7 @@ copy_data(void *dst_data, struct vring_desc *head, struct rte_vhost_memory *mem,
left -= to_copy;
}
if (unlikely(left < 0)) {
if (unlikely(left > 0)) {
VC_LOG_ERR("Incorrect virtio descriptor");
return -1;
}