Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Tue, 17 Jan 2023 18:23:47 +0800 (CST)
Message-ID: <202301171823476416320@zte.com.cn>
Mime-Version: 1.0
From:   <ye.xingchen@zte.com.cn>
To:     <richard.henderson@linaro.org>
Cc:     <ink@jurassic.park.msu.ru>, <mattst88@gmail.com>,
        <linux-alpha@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <chi.minghao@zte.com.cn>
Subject: =?UTF-8?B?W1BBVENIXSBhbHBoYTogcG90ZW50aWFsIGRlcmVmZXJlbmNlIG9mIG51bGwgcG9pbnRlcg==?=
Content-Type: text/plain;
        charset="UTF-8"
Precedence: bulk

From: Minghao Chi <chi.minghao@zte.com.cn>

The return value of kmalloc() needs to be checked.
To avoid use of null pointer in case of the failure of alloc.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
---
 arch/alpha/kernel/module.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/alpha/kernel/module.c b/arch/alpha/kernel/module.c
index 5b60c248de9e..5442b75a98c2 100644
--- a/arch/alpha/kernel/module.c
+++ b/arch/alpha/kernel/module.c
@@ -47,6 +47,8 @@ process_reloc_for_got(Elf64_Rela *rela,
 		}

 	g = kmalloc (sizeof (*g), GFP_KERNEL);
+	if (!g)
+		return;
 	g->next = chains[r_sym].next;
 	g->r_addend = r_addend;
 	g->got_offset = *poffset;
-- 
2.25.1