[dpdk-stable] [PATCH] vhost/crypto: fix incorrect fetch size

[Fan Zhang]

Coverity issue: 343401

This patch fixes the incorrect rte_vhost_crypto_fetch_requests
return value.

Fixes: 3bb595ecd682 ("vhost/crypto: add request handler")
Cc: roy.fan.zhang at intel.com
Cc: stable at dpdk.org

Signed-off-by: Fan Zhang <roy.fan.zhang at intel.com>
---
 lib/librte_vhost/vhost_crypto.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/lib/librte_vhost/vhost_crypto.c b/lib/librte_vhost/vhost_crypto.c
index 684fddc30..68911972b 100644
--- a/lib/librte_vhost/vhost_crypto.c
+++ b/lib/librte_vhost/vhost_crypto.c
@@ -1539,18 +1539,18 @@ rte_vhost_crypto_fetch_requests(int vid, uint32_t qid,
 
 	if (unlikely(dev == NULL)) {
 		VC_LOG_ERR("Invalid vid %i", vid);
-		return -EINVAL;
+		return 0;
 	}
 
 	if (unlikely(qid >= VHOST_MAX_QUEUE_PAIRS)) {
 		VC_LOG_ERR("Invalid qid %u", qid);
-		return -EINVAL;
+		return 0;
 	}
 
 	vcrypto = (struct vhost_crypto *)dev->extern_data;
 	if (unlikely(vcrypto == NULL)) {
 		VC_LOG_ERR("Cannot find required data, is it initialized?");
-		return -ENOENT;
+		return 0;
 	}
 
 	vq = dev->virtqueue[qid];
@@ -1572,7 +1572,7 @@ rte_vhost_crypto_fetch_requests(int vid, uint32_t qid,
 		if (unlikely(rte_mempool_get_bulk(vcrypto->mbuf_pool,
 				(void **)mbufs, count * 2) < 0)) {
 			VC_LOG_ERR("Insufficient memory");
-			return -ENOMEM;
+			return 0;
 		}
 
 		for (i = 0; i < count; i++) {
@@ -1602,7 +1602,7 @@ rte_vhost_crypto_fetch_requests(int vid, uint32_t qid,
 		if (unlikely(rte_mempool_get_bulk(vcrypto->mbuf_pool,
 				(void **)mbufs, count) < 0)) {
 			VC_LOG_ERR("Insufficient memory");
-			return -ENOMEM;
+			return 0;
 		}
 
 		for (i = 0; i < count; i++) {
-- 
2.20.1