[PATCH] crypto/cnxk: fix condition check

[Volodymyr Fialko]

The value of ec_mdata cannot be NULL, instead check that value of
private_data_offset was set.

       
Fixes: c3a498c01121 ("crypto/cnxk: add event metadata set operation")
Coverity issue: 378861
Coverity issue: 378865

Signed-off-by: Volodymyr Fialko <vfialko at marvell.com>
---
 drivers/crypto/cnxk/cn10k_cryptodev_ops.c | 4 ++--
 drivers/crypto/cnxk/cn9k_cryptodev_ops.c  | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/crypto/cnxk/cn10k_cryptodev_ops.c b/drivers/crypto/cnxk/cn10k_cryptodev_ops.c
index c811504f93..f4aaa273c1 100644
--- a/drivers/crypto/cnxk/cn10k_cryptodev_ops.c
+++ b/drivers/crypto/cnxk/cn10k_cryptodev_ops.c
@@ -363,10 +363,10 @@ cn10k_ca_meta_info_extract(struct rte_crypto_op *op,
 			uint8_t cdev_id;
 			uint16_t qp_id;
 
+			if (unlikely(op->private_data_offset == 0))
+				return -EINVAL;
 			ec_mdata = (union rte_event_crypto_metadata *)
 				((uint8_t *)op + op->private_data_offset);
-			if (!ec_mdata)
-				return -EINVAL;
 			rsp_info = &ec_mdata->response_info;
 			cdev_id = ec_mdata->request_info.cdev_id;
 			qp_id = ec_mdata->request_info.queue_pair_id;
diff --git a/drivers/crypto/cnxk/cn9k_cryptodev_ops.c b/drivers/crypto/cnxk/cn9k_cryptodev_ops.c
index 10e7bb6e52..d9d41f9dab 100644
--- a/drivers/crypto/cnxk/cn9k_cryptodev_ops.c
+++ b/drivers/crypto/cnxk/cn9k_cryptodev_ops.c
@@ -419,10 +419,10 @@ cn9k_ca_meta_info_extract(struct rte_crypto_op *op,
 			uint8_t cdev_id;
 			uint16_t qp_id;
 
+			if (unlikely(op->private_data_offset == 0))
+				return -EINVAL;
 			ec_mdata = (union rte_event_crypto_metadata *)
 				((uint8_t *)op + op->private_data_offset);
-			if (!ec_mdata)
-				return -EINVAL;
 			rsp_info = &ec_mdata->response_info;
 			cdev_id = ec_mdata->request_info.cdev_id;
 			qp_id = ec_mdata->request_info.queue_pair_id;
-- 
2.25.1