[PATCH v3 1/8] crypto/cnxk: check for null pointer

[Tejasree Kondoj]

Checking for NULL pointer dereference.

Signed-off-by: Tejasree Kondoj <ktejas...@marvell.com>
---
 drivers/crypto/cnxk/cnxk_se.h | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/crypto/cnxk/cnxk_se.h b/drivers/crypto/cnxk/cnxk_se.h
index c66ab80749..a85e4c5170 100644
--- a/drivers/crypto/cnxk/cnxk_se.h
+++ b/drivers/crypto/cnxk/cnxk_se.h
@@ -2185,12 +2185,14 @@ fill_sess_auth(struct rte_crypto_sym_xform *xform, 
struct cnxk_se_sess *sess)
 
        if (zsk_flag && sess->roc_se_ctx.auth_then_ciph) {
                struct rte_crypto_cipher_xform *c_form;
-               c_form = &xform->next->cipher;
-               if (c_form->op != RTE_CRYPTO_CIPHER_OP_ENCRYPT &&
-                   a_form->op != RTE_CRYPTO_AUTH_OP_GENERATE) {
-                       plt_dp_err("Crypto: PDCP auth then cipher must use"
-                                  " options: encrypt and generate");
-                       return -EINVAL;
+               if (xform->next != NULL) {
+                       c_form = &xform->next->cipher;
+                       if ((c_form != NULL) && (c_form->op != 
RTE_CRYPTO_CIPHER_OP_ENCRYPT) &&
+                           a_form->op != RTE_CRYPTO_AUTH_OP_GENERATE) {
+                               plt_dp_err("Crypto: PDCP auth then cipher must 
use"
+                                          " options: encrypt and generate");
+                               return -EINVAL;
+                       }
                }
        }
 
-- 
2.25.1