From: Alok Makhariya <alok.makhariya@nxp.com>
Date: Fri, 13 Oct 2017 15:38:54 +0000 (+0530)
Subject: crypto/dpaa2_sec: add check for segmented buffer
X-Git-Tag: spdx-start~1209
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=9b0b95a48c0e171454cfca4231cecac7d470a75c;p=dpdk.git

crypto/dpaa2_sec: add check for segmented buffer

The code would crash for segmented buffer if no check.

Fixes: 8d1f3a5d751b ("crypto/dpaa2_sec: support crypto operation")
Cc: stable@dpdk.org

Signed-off-by: Alok Makhariya <alok.makhariya@nxp.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>
---

diff --git a/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c b/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
index 17365ac5de..0a466ba7f4 100644
--- a/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
+++ b/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
@@ -548,7 +548,13 @@ build_sec_fd(dpaa2_sec_session *sess, struct rte_crypto_op *op,
 	int ret = -1;
 
 	PMD_INIT_FUNC_TRACE();
-
+	/*
+	 * Segmented buffer is not supported.
+	 */
+	if (!rte_pktmbuf_is_contiguous(op->sym->m_src)) {
+		op->status = RTE_CRYPTO_OP_STATUS_ERROR;
+		return -ENOTSUP;
+	}
 	switch (sess->ctxt_type) {
 	case DPAA2_SEC_CIPHER:
 		ret = build_cipher_fd(sess, op, fd, bpid);