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[67.216.221.250]) by smtp.gmail.com with ESMTPSA id b3sm19814965pfd.66.2020.11.17.01.29.16 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 17 Nov 2020 01:29:17 -0800 (PST) From: xiakaixu1987@gmail.com X-Google-Original-From: kaixuxia@tencent.com To: mkl@pengutronix.de, manivannan.sadhasivam@linaro.org, thomas.kopp@microchip.com, wg@grandegger.com, kuba@kernel.org Cc: linux-can@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Kaixu Xia Subject: [PATCH] can: mcp251xfd: remove useless code in mcp251xfd_chip_softreset Date: Tue, 17 Nov 2020 17:29:12 +0800 Message-Id: <1605605352-25298-1-git-send-email-kaixuxia@tencent.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kaixu Xia It would directly return if the variable err equals to 0 or other errors. Only when the err equals to -ETIMEDOUT it can reach the 'if (err)' statement, so the 'if (err)' and last 'return -ETIMEDOUT' statements are useless. Romove them. Reported-by: Tosk Robot Signed-off-by: Kaixu Xia --- drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c b/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c index 9c215f7c5f81..ceae18270c01 100644 --- a/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c +++ b/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c @@ -644,10 +644,7 @@ static int mcp251xfd_chip_softreset(const struct mcp251xfd_priv *priv) return 0; } - if (err) - return err; - - return -ETIMEDOUT; + return err; } static int mcp251xfd_chip_clock_init(const struct mcp251xfd_priv *priv) -- 2.20.0