This patch removes coverity defect CID 375828:
Untrusted value as argument (TAINTED_SCALAR)

Coverity issue: CID 375828
Fixes: 918fd2f1466b ("crypto/ipsec_mb: move aesni_mb PMD")

Signed-off-by: Piotr Bronowski <piotrx.bronow...@intel.com>
---
 drivers/crypto/ipsec_mb/pmd_aesni_gcm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/crypto/ipsec_mb/pmd_aesni_gcm.c 
b/drivers/crypto/ipsec_mb/pmd_aesni_gcm.c
index e5ad629fe5..f735b77680 100644
--- a/drivers/crypto/ipsec_mb/pmd_aesni_gcm.c
+++ b/drivers/crypto/ipsec_mb/pmd_aesni_gcm.c
@@ -206,6 +206,9 @@ post_process_gcm_crypto_op(struct ipsec_mb_qp *qp,
                        op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
        } else {
                if (session->req_digest_length != session->gen_digest_length) {
+                       session->req_digest_length =
+                               RTE_MIN(session->req_digest_length,
+                                               DIGEST_LENGTH_MAX);
                        if (session->op ==
                                IPSEC_MB_OP_AEAD_AUTHENTICATED_ENCRYPT)
                                memcpy(op->sym->aead.digest.data,
-- 
2.30.2

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