Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
From:   Qiujun Huang <hqjagain@gmail.com>
To:     benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au,
        tglx@linutronix.de
Cc:     linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
        christophe.leroy@c-s.fr, Qiujun Huang <hqjagain@gmail.com>
Subject: [PATCH v2] powerpc/powernv: add NULL check after kzalloc in opal_add_one_export
Date:   Sun,  5 Apr 2020 18:30:59 +0800
Message-Id: <20200405103059.30769-1-hqjagain@gmail.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Here needs a NULL check.

Issue found by coccinelle.

Signed-off-by: Qiujun Huang <hqjagain@gmail.com>
---
 arch/powerpc/platforms/powernv/opal.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
index 2b3dfd0b6cdd..5b98c98817aa 100644
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c
@@ -808,9 +808,12 @@ static int opal_add_one_export(struct kobject *parent, const char *export_name,
 
 	rc = of_property_read_u64_array(np, prop_name, &vals[0], 2);
 	if (rc)
-		goto out;
+		return rc;
 
 	attr = kzalloc(sizeof(*attr), GFP_KERNEL);
+	if (!attr)
+		return -ENOMEM;
+
 	name = kstrdup(export_name, GFP_KERNEL);
 	if (!name) {
 		rc = -ENOMEM;
-- 
2.17.1