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authorNathan Chancellor <natechancellor@gmail.com>2018-09-21 01:48:30 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-12-22 11:18:01 +0300
commit2a899eeca5e8432a44d4cae9a7d44a0e862aff67 (patch)
tree6e9511ec3da8c932fc8aff053709ddb71285a381
parent90491283b4064220682e4b0687d07b05df01e3bf (diff)
downloadlinux-2a899eeca5e8432a44d4cae9a7d44a0e862aff67.tar.xz
net: lan78xx: Avoid unnecessary self assignment
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/net/usb/lan78xx.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 838b6fe9dfaa..e286188b6ea1 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -920,11 +920,9 @@ 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);