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From: "Min Hu (Connor)" <humin29@huawei.com>
To: <dev@dpdk.org>
Cc: <ferruh.yigit@intel.com>, <hemant.agrawal@nxp.com>,
	<sachin.saxena@oss.nxp.com>
Subject: [dpdk-dev] [PATCH] common/dpaax: fix possible null pointer access
Date: Wed, 21 Apr 2021 10:46:53 +0800	[thread overview]
Message-ID: <1618973213-25718-1-git-send-email-humin29@huawei.com> (raw)

From: Chengwen Feng <fengchengwen@huawei.com>

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>
---
 drivers/common/dpaax/dpaax_iova_table.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/common/dpaax/dpaax_iova_table.c b/drivers/common/dpaax/dpaax_iova_table.c
index 91bee65..54f89e1 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++) {
-- 
2.7.4


             reply	other threads:[~2021-04-21  2:46 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-21  2:46 Min Hu (Connor) [this message]
2021-04-21 12:12 ` [dpdk-dev] [PATCH] common/dpaax: fix possible null pointer access Hemant Agrawal
2021-04-21 15:03   ` Thomas Monjalon

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