crypto/dpaa_sec: fix a null pointer dereference

This patch fixes a null pointer dereference after null check detected by
coverity scan.

Coverity issue: 349904
Fixes: 6a0c9d364afc ("crypto/dpaax_sec: support HFN override")
Cc: stable@dpdk.org
Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>

diff --git a/drivers/crypto/dpaa_sec/dpaa_sec.c b/drivers/crypto/dpaa_sec/dpaa_sec.c
index 9700217..0495422 100644 (file)
--- a/drivers/crypto/dpaa_sec/dpaa_sec.c
+++ b/drivers/crypto/dpaa_sec/dpaa_sec.c
@@ -2949,7 +2949,8 @@ dpaa_sec_set_pdcp_session(struct rte_cryptodev *dev,
        session->pdcp.hfn = pdcp_xform->hfn;
        session->pdcp.hfn_threshold = pdcp_xform->hfn_threshold;
        session->pdcp.hfn_ovd = pdcp_xform->hfn_ovrd;
-       session->pdcp.hfn_ovd_offset = cipher_xform->iv.offset;
+       if (cipher_xform)
+               session->pdcp.hfn_ovd_offset = cipher_xform->iv.offset;
 
        rte_spinlock_lock(&dev_priv->lock);
        for (i = 0; i < MAX_DPAA_CORES; i++) {