From: Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
Date: Sun, 24 Apr 2022 16:17:23 +0000 (+0530)
Subject: common/cnxk: fix null pointer dereference
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=ea0d681efa86cb8902d93409679e3ac507755345;p=dpdk.git

common/cnxk: fix null pointer dereference

Fix null pointer dereference reported in coverity scan.

Coverity issue: 372065
Fixes: 665b6a7400b ("common/cnxk: add NPC helper API")
Cc: stable@dpdk.org

Signed-off-by: Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>
---

diff --git a/drivers/common/cnxk/roc_npc_utils.c b/drivers/common/cnxk/roc_npc_utils.c
index 0d02872c8b..e36a312576 100644
--- a/drivers/common/cnxk/roc_npc_utils.c
+++ b/drivers/common/cnxk/roc_npc_utils.c
@@ -145,6 +145,9 @@ npc_parse_item_basic(const struct roc_npc_item_info *item,
 			info->mask = item->mask;
 	}
 
+	if (info->mask == NULL)
+		return NPC_ERR_INVALID_MASK;
+
 	/* mask specified must be subset of hw supported mask
 	 * mask | hw_mask == hw_mask
 	 */