From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nathan Chancellor Subject: [PATCH] scsi: mptfusion: Remove unnecessary parentheses and simplify null checks Date: Fri, 14 Sep 2018 23:36:45 -0700 Message-ID: <20180915063645.31295-1-natechancellor@gmail.com> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: Sathya Prakash , Chaitra P B , Suganath Prabu Subramani Cc: MPT-FusionLinux.pdl@broadcom.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Nick Desaulniers , Nathan Chancellor List-Id: linux-scsi@vger.kernel.org Clang warns when multiple pairs of parentheses are used for a single conditional statement. drivers/message/fusion/mptbase.c:338:11: warning: equality comparison with extraneous parentheses [-Wparentheses-equality] if ((ioc == NULL)) ~~~~^~~~~~~ drivers/message/fusion/mptbase.c:338:11: note: remove extraneous parentheses around the comparison to silence this warning if ((ioc == NULL)) ~ ^ ~ drivers/message/fusion/mptbase.c:338:11: note: use '=' to turn this equality comparison into an assignment if ((ioc == NULL)) ^~ = drivers/message/fusion/mptbase.c:342:12: warning: equality comparison with extraneous parentheses [-Wparentheses-equality] if ((pdev == NULL)) ~~~~~^~~~~~~ drivers/message/fusion/mptbase.c:342:12: note: remove extraneous parentheses around the comparison to silence this warning if ((pdev == NULL)) ~ ^ ~ drivers/message/fusion/mptbase.c:342:12: note: use '=' to turn this equality comparison into an assignment if ((pdev == NULL)) ^~ = 2 warnings generated. Remove them and while we're at it, simplify the NULL checks as '!var' is used more than 'var == NULL'. Reported-by: Nick Desaulniers Signed-off-by: Nathan Chancellor --- drivers/message/fusion/mptbase.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index dc1e43a02599..ba551d8dfba4 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -335,11 +335,11 @@ static int mpt_remove_dead_ioc_func(void *arg) MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg; struct pci_dev *pdev; - if ((ioc == NULL)) + if (!ioc) return -1; pdev = ioc->pcidev; - if ((pdev == NULL)) + if (!pdev) return -1; pci_stop_and_remove_bus_device_locked(pdev); -- 2.18.0