From mboxrd@z Thu Jan  1 00:00:00 1970
From: kbuild test robot <lkp@intel.com>
Subject: [PATCH] KVM: SVM: fix eno.cocci warnings
Date: Sat, 23 Sep 2017 06:13:59 +0800
Message-ID: <20170922221359.GA6397@lkp-wsm-ep2>
References: <201709230631.6XbWla3b%fengguang.wu@intel.com>
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Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org,
        kvm@vger.kernel.org, Brijesh Singh <brijesh.singh@amd.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>,
        "H. Peter Anvin" <hpa@zytor.com>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Radim =?utf-8?B?S3LEjW3DocWZ?= <rkrcmar@redhat.com>,
        Joerg Roedel <joro@8bytes.org>, Borislav Petkov <bp@suse.de>,
        Tom Lendacky <thomas.lendacky@amd.com>, x86@kernel.org
To: Brijesh Singh <brijesh.singh@amd.com>
Return-path: <linux-kernel-owner@vger.kernel.org>
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arch/x86/kvm/svm.c:5728:5-11: ERROR: allocation function on line 5727 returns NULL not ERR_PTR on failure

 The various basic memory allocation functions don't return ERR_PTR

Generated by: scripts/coccinelle/null/eno.cocci

Fixes: 16e737dd7c3c ("KVM: SVM: Add support for SEV LAUNCH_START command")
CC: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
---

 svm.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -5725,7 +5725,7 @@ static void *copy_user_blob(u64 __user u
 		return ERR_PTR(-EINVAL);
 
 	data = kmalloc(len, GFP_KERNEL);
-	if (IS_ERR(data))
+	if (!data)
 		return ERR_PTR(-ENOMEM);
 
 	if (copy_from_user(data, (void __user *)(uintptr_t)uaddr, len))