From: Chengwen Feng <fengchengwen@huawei.com>
Date: Wed, 21 Apr 2021 02:46:53 +0000 (+0800)
Subject: common/dpaax: fix possible null pointer access
X-Git-Url: http://git.droids-corp.org/?p=dpdk.git;a=commitdiff_plain;h=611c394c18598185d3f6f330d0cdf6c26316cc9b

common/dpaax: fix possible null pointer access

This patch fixes possible null pointer access when dump iova table.

Fixes: 2f3d633aa593 ("common/dpaax: add library for PA/VA translation table")
Cc: stable@dpdk.org

Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---

diff --git a/drivers/common/dpaax/dpaax_iova_table.c b/drivers/common/dpaax/dpaax_iova_table.c
index 91bee65e7b..54f89e12ba 100644
--- a/drivers/common/dpaax/dpaax_iova_table.c
+++ b/drivers/common/dpaax/dpaax_iova_table.c
@@ -366,8 +366,10 @@ dpaax_iova_table_dump(void)
 	}
 
 	DPAAX_DEBUG(" === Start of PA->VA Translation Table ===");
-	if (dpaax_iova_table_p == NULL)
+	if (dpaax_iova_table_p == NULL) {
 		DPAAX_DEBUG("\tNULL");
+		return;
+	}
 
 	entry = dpaax_iova_table_p->entries;
 	for (i = 0; i < dpaax_iova_table_p->count; i++) {