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[92.238.24.70]) by smtp.gmail.com with ESMTPSA id m4-20020adff384000000b0033e7de97214sm1279914wro.40.2024.04.11.02.05.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Apr 2024 02:05:35 -0700 (PDT) From: Colin Ian King To: David Woodhouse , Joerg Roedel , Will Deacon , Robin Murphy , iommu@lists.linux.dev Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH][next] iommu/vt-d: remove redundant assignment to variable err Date: Thu, 11 Apr 2024 10:05:35 +0100 Message-Id: <20240411090535.306326-1-colin.i.king@gmail.com> X-Mailer: git-send-email 2.39.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Variable err is being assigned a value that is never read. It is either being re-assigned later on error exit paths, or never referenced on the non-error path. Cleans up clang scan build warning: drivers/iommu/intel/dmar.c:1070:2: warning: Value stored to 'err' is never read [deadcode.DeadStores]` Signed-off-by: Colin Ian King --- drivers/iommu/intel/dmar.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/iommu/intel/dmar.c b/drivers/iommu/intel/dmar.c index 36d7427b1202..351be9455214 100644 --- a/drivers/iommu/intel/dmar.c +++ b/drivers/iommu/intel/dmar.c @@ -1067,7 +1067,6 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd) goto error_free_seq_id; } =20 - err =3D -EINVAL; if (!cap_sagaw(iommu->cap) && (!ecap_smts(iommu->ecap) || ecap_slts(iommu->ecap))) { pr_info("%s: No supported address widths. Not attempting DMA translation= .\n", --=20 2.39.2