[dpdk-dev] [PATCH] crypto/dpaa_sec: add check for segmented buffer

alok.makhariya at nxp.com alok.makhariya at nxp.com
Thu Oct 12 15:07:21 CEST 2017


From: Alok Makhariya <alok.makhariya at nxp.com>

The code would crash in case of segmented buffer if no check

Fixes: 89aaf708d44b ("crypto/dpaa_sec: add crypto driver for NXP DPAA platform")

Signed-off-by: Alok Makhariya <alok.makhariya at nxp.com>
---
 drivers/crypto/dpaa_sec/dpaa_sec.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/crypto/dpaa_sec/dpaa_sec.c b/drivers/crypto/dpaa_sec/dpaa_sec.c
index 7b9a683..8a57b96 100644
--- a/drivers/crypto/dpaa_sec/dpaa_sec.c
+++ b/drivers/crypto/dpaa_sec/dpaa_sec.c
@@ -893,6 +893,13 @@ dpaa_sec_enqueue_op(struct rte_crypto_op *op,  struct dpaa_sec_qp *qp)
 			return ret;
 	}
 
+	/*
+	 * Segmented buffer is not supported.
+	 */
+        if (!rte_pktmbuf_is_contiguous(op->sym->m_src)) {
+                op->status = RTE_CRYPTO_OP_STATUS_ERROR;
+                return -ENOTSUP;
+        }
 	if (is_auth_only(ses)) {
 		cf = build_auth_only(op, ses);
 	} else if (is_cipher_only(ses)) {
-- 
2.9.3



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