From: Anders Roxell <anders.roxell@linaro.org>
To: stable@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, woojung.huh@microchip.com,
UNGLinuxDriver@microchip.com, davem@davemloft.net,
netdev@vger.kernel.org, linux-usb@vger.kernel.org,
clang-built-linux@googlegroups.com, ulli.kroll@googlemail.com,
linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org,
amitkarwar@gmail.com, nishants@marvell.com, gbhat@marvell.com,
huxinming820@gmail.com, kvalo@codeaurora.org,
linux-wireless@vger.kernel.org, rostedt@goodmis.org,
mingo@redhat.com, dmitry.torokhov@gmail.com,
ndesaulniers@google.com, nathan@kernel.org,
linux-input@vger.kernel.org,
Nathan Chancellor <natechancellor@gmail.com>,
Anders Roxell <anders.roxell@linaro.org>
Subject: [PATCH 4.19 1/6] net: lan78xx: Avoid unnecessary self assignment
Date: Fri, 17 Dec 2021 15:41:14 +0100 [thread overview]
Message-ID: <20211217144119.2538175-2-anders.roxell@linaro.org> (raw)
In-Reply-To: <20211217144119.2538175-1-anders.roxell@linaro.org>
From: Nathan Chancellor <natechancellor@gmail.com>
commit 94e7c844990f0db92418586b107be135b4963b66 upstream.
Clang warns when a variable is assigned to itself.
drivers/net/usb/lan78xx.c:940:11: warning: explicitly assigning value of
variable of type 'u32' (aka 'unsigned int') to itself [-Wself-assign]
offset = offset;
~~~~~~ ^ ~~~~~~
1 warning generated.
Reorder the if statement to acheive the same result and avoid a self
assignment warning.
Link: https://github.com/ClangBuiltLinux/linux/issues/129
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
---
drivers/net/usb/lan78xx.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index b328207c0455..f438be83d259 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -945,11 +945,9 @@ static int lan78xx_read_otp(struct lan78xx_net *dev, u32 offset,
ret = lan78xx_read_raw_otp(dev, 0, 1, &sig);
if (ret == 0) {
- if (sig == OTP_INDICATOR_1)
- offset = offset;
- else if (sig == OTP_INDICATOR_2)
+ if (sig == OTP_INDICATOR_2)
offset += 0x100;
- else
+ else if (sig != OTP_INDICATOR_1)
ret = -EINVAL;
if (!ret)
ret = lan78xx_read_raw_otp(dev, offset, length, data);
--
2.34.1
next prev parent reply other threads:[~2021-12-17 14:41 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-17 14:41 [PATCH 4.19 0/6] fix warning and errors on arm built with clang Anders Roxell
2021-12-17 14:41 ` Anders Roxell [this message]
2021-12-17 14:41 ` [PATCH 4.19 2/6] ARM: 8805/2: remove unneeded naked function usage Anders Roxell
2021-12-17 14:41 ` [PATCH 4.19 3/6] mwifiex: Remove unnecessary braces from HostCmd_SET_SEQ_NO_BSS_INFO Anders Roxell
2021-12-20 10:56 ` Greg KH
2021-12-20 12:13 ` Joe Perches
2021-12-20 14:00 ` David Laight
2021-12-17 14:41 ` [PATCH 4.19 4/6] ARM: 8800/1: use choice for kernel unwinders Anders Roxell
2021-12-17 14:41 ` [PATCH 4.19 5/6] ARM: 8788/1: ftrace: remove old mcount support Anders Roxell
2021-12-20 10:57 ` Greg KH
2022-01-11 20:58 ` Stefan Agner
2022-01-11 21:04 ` Nick Desaulniers
2021-12-17 14:41 ` [PATCH 4.19 6/6] Input: touchscreen - avoid bitwise vs logical OR warning Anders Roxell
2021-12-20 10:59 ` Greg KH
2021-12-21 12:24 ` Anders Roxell
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