From: kbuild test robot <lkp@intel.com>
Subject: [PATCH] crypto: ccp: fix eno.cocci warnings
Date: Sat, 23 Sep 2017 05:35:58 +0800
Message-ID: <20170922213558.GA3023@lkp-wsm-ep2>
References: <201709230544.TcZ8OD1t%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>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Radim =?utf-8?B?S3LEjW3DocWZ?= <rkrcmar@redhat.com>,
        Borislav Petkov <bp@suse.de>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        Gary Hook <gary.hook@amd.com>,
        Tom Lendacky <thomas.lendacky@amd.com>,
        linux-crypto@vger.kernel.org
To: Brijesh Singh <brijesh.singh@amd.com>
Return-path: <kvm-owner@vger.kernel.org>
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In-Reply-To: <20170919204627.3875-8-brijesh.singh@amd.com>
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drivers/crypto/ccp/psp-dev.c:311:5-11: ERROR: allocation function on line 310 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: 7d4ce155f344 ("crypto: ccp: Add Secure Encrypted Virtualization (SEV) command support")
CC: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
---

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

--- a/drivers/crypto/ccp/psp-dev.c
+++ b/drivers/crypto/ccp/psp-dev.c
@@ -308,7 +308,7 @@ 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))