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Bottomley" , "Martin K. Petersen" Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Nathan Chancellor Subject: [PATCH] scsi: arcmsr: Remove unnecessary parentheses Date: Thu, 20 Sep 2018 13:55:23 -0700 Message-Id: <20180920205523.4705-1-natechancellor@gmail.com> X-Mailer: git-send-email 2.19.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Clang warns when multiple pairs of parentheses are used for a single conditional statement. drivers/scsi/arcmsr/arcmsr_hba.c:4138:19: warning: equality comparison with extraneous parentheses [-Wparentheses-equality] if ((acb->dev_id == 0x1680)) { ~~~~~~~~~~~~^~~~~~~~~ drivers/scsi/arcmsr/arcmsr_hba.c:4138:19: note: remove extraneous parentheses around the comparison to silence this warning if ((acb->dev_id == 0x1680)) { ~ ^ ~ drivers/scsi/arcmsr/arcmsr_hba.c:4138:19: note: use '=' to turn this equality comparison into an assignment if ((acb->dev_id == 0x1680)) { ^~ = drivers/scsi/arcmsr/arcmsr_hba.c:4140:26: warning: equality comparison with extraneous parentheses [-Wparentheses-equality] } else if ((acb->dev_id == 0x1880)) { ~~~~~~~~~~~~^~~~~~~~~ drivers/scsi/arcmsr/arcmsr_hba.c:4140:26: note: remove extraneous parentheses around the comparison to silence this warning } else if ((acb->dev_id == 0x1880)) { ~ ^ ~ drivers/scsi/arcmsr/arcmsr_hba.c:4140:26: note: use '=' to turn this equality comparison into an assignment } else if ((acb->dev_id == 0x1880)) { ^~ = drivers/scsi/arcmsr/arcmsr_hba.c:4164:26: warning: equality comparison with extraneous parentheses [-Wparentheses-equality] } else if ((acb->dev_id == 0x1214)) { ~~~~~~~~~~~~^~~~~~~~~ drivers/scsi/arcmsr/arcmsr_hba.c:4164:26: note: remove extraneous parentheses around the comparison to silence this warning } else if ((acb->dev_id == 0x1214)) { ~ ^ ~ drivers/scsi/arcmsr/arcmsr_hba.c:4164:26: note: use '=' to turn this equality comparison into an assignment } else if ((acb->dev_id == 0x1214)) { ^~ = 3 warnings generated. Link: https://github.com/ClangBuiltLinux/linux/issues/146 Signed-off-by: Nathan Chancellor --- drivers/scsi/arcmsr/arcmsr_hba.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index cc0be4651128..22cf697adab0 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -4135,9 +4135,9 @@ static void arcmsr_hardware_reset(struct AdapterControlBlock *acb) pci_read_config_byte(acb->pdev, i, &value[i]); } /* hardware reset signal */ - if ((acb->dev_id == 0x1680)) { + if (acb->dev_id == 0x1680) { writel(ARCMSR_ARC1680_BUS_RESET, &pmuA->reserved1[0]); - } else if ((acb->dev_id == 0x1880)) { + } else if (acb->dev_id == 0x1880) { do { count++; writel(0xF, &pmuC->write_sequence); @@ -4161,7 +4161,7 @@ static void arcmsr_hardware_reset(struct AdapterControlBlock *acb) } while (((readl(&pmuE->host_diagnostic_3xxx) & ARCMSR_ARC1884_DiagWrite_ENABLE) == 0) && (count < 5)); writel(ARCMSR_ARC188X_RESET_ADAPTER, &pmuE->host_diagnostic_3xxx); - } else if ((acb->dev_id == 0x1214)) { + } else if (acb->dev_id == 0x1214) { writel(0x20, pmuD->reset_request); } else { pci_write_config_byte(acb->pdev, 0x84, 0x20); -- 2.19.0