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[66.187.233.206]) by smtp.gmail.com with ESMTPSA id y19-20020a05620a44d300b006fba44843a5sm7452833qkp.52.2023.01.10.08.53.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Jan 2023 08:53:20 -0800 (PST) From: Tom Rix To: brijesh.singh@amd.com, thomas.lendacky@amd.com, john.allen@amd.com, herbert@gondor.apana.org.au, davem@davemloft.net, nathan@kernel.org, ndesaulniers@google.com Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, Tom Rix Subject: [PATCH v2] crypto: ccp: initialize error Date: Tue, 10 Jan 2023 11:53:16 -0500 Message-Id: <20230110165316.2870300-1-trix@redhat.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" clang static analysis reports this problem drivers/crypto/ccp/sev-dev.c:1347:3: warning: 3rd function call argument is an uninitialized value [core.CallAndMessage] dev_err(sev->dev, "SEV: failed to INIT error %#x, rc %d\n", ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ __sev_platform_init_locked() can return without setting the error parameter, causing the dev_err() to report a garbage value. Fixes: 200664d5237f ("crypto: ccp: Add Secure Encrypted Virtualization (SEV= ) command support") Signed-off-by: Tom Rix --- v2 : cleanup commit log --- drivers/crypto/ccp/sev-dev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c index 56998bc579d6..643cccc06a0b 100644 --- a/drivers/crypto/ccp/sev-dev.c +++ b/drivers/crypto/ccp/sev-dev.c @@ -1307,7 +1307,7 @@ EXPORT_SYMBOL_GPL(sev_issue_cmd_external_user); void sev_pci_init(void) { struct sev_device *sev =3D psp_master->sev_data; - int error, rc; + int error =3D 0, rc; =20 if (!sev) return; --=20 2.27.0