From: Satheesh Paul <psatheesh@marvell.com>
Date: Tue, 25 Jan 2022 04:12:48 +0000 (+0530)
Subject: common/cnxk: fix null access in IPv6 flow parsing
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=9132292e9912a8977506d90b730a20c13babc353;p=dpdk.git

common/cnxk: fix null access in IPv6 flow parsing

Added null check in IPv6 flow pattern parsing.

Fixes: 474e275b1bc6 ("common/cnxk: support extensions attributes in IPv6 item")

Signed-off-by: Satheesh Paul <psatheesh@marvell.com>
Reviewed-by: Jerin Jacob <jerinj@marvell.com>
---

diff --git a/drivers/common/cnxk/roc_npc_parse.c b/drivers/common/cnxk/roc_npc_parse.c
index 1f21693369..302ab66efc 100644
--- a/drivers/common/cnxk/roc_npc_parse.c
+++ b/drivers/common/cnxk/roc_npc_parse.c
@@ -562,9 +562,11 @@ npc_parse_lc(struct npc_parse_state *pst)
 		ipv6_spec = pst->pattern->spec;
 		lid = NPC_LID_LC;
 		lt = NPC_LT_LC_IP6;
-		rc = npc_handle_ipv6ext_attr(ipv6_spec, pst, &flags);
-		if (rc)
-			return rc;
+		if (ipv6_spec) {
+			rc = npc_handle_ipv6ext_attr(ipv6_spec, pst, &flags);
+			if (rc)
+				return rc;
+		}
 		info.len = sizeof(ipv6_spec->hdr);
 		break;
 	case ROC_NPC_ITEM_TYPE_ARP_ETH_IPV4: