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62b7f5931c
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry-picked from commit f07e572f64)
59 lines
1.9 KiB
Diff
59 lines
1.9 KiB
Diff
From 7566655c9e659e890f44784a6403de98ad77ae5b Mon Sep 17 00:00:00 2001
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From: Colin Ian King <colin.king@canonical.com>
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Date: Tue, 19 May 2020 16:45:53 +0100
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Subject: [PATCH] w1_therm: remove redundant assignments to variable
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ret
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commit f37d13d52c0560bd2bac40b22466af538e61a5ce upstream.
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The variable ret is being initialized with a value that is never read
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and it is being updated later with a new value. The initialization
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is redundant and can be removed.
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Addresses-Coverity: ("Unused value")
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Signed-off-by: Colin Ian King <colin.king@canonical.com>
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Link: https://lore.kernel.org/r/20200519154553.873413-1-colin.king@canonical.com
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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---
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drivers/w1/slaves/w1_therm.c | 8 ++++----
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1 file changed, 4 insertions(+), 4 deletions(-)
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--- a/drivers/w1/slaves/w1_therm.c
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+++ b/drivers/w1/slaves/w1_therm.c
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@@ -505,7 +505,7 @@ static inline int w1_DS18S20_write_data(
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static inline int w1_DS18B20_set_resolution(struct w1_slave *sl, int val)
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{
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- int ret = -ENODEV;
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+ int ret;
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u8 new_config_register[3]; /* array of data to be written */
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struct therm_info info;
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@@ -538,7 +538,7 @@ static inline int w1_DS18B20_set_resolut
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static inline int w1_DS18B20_get_resolution(struct w1_slave *sl)
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{
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- int ret = -ENODEV;
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+ int ret;
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u8 config_register;
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struct therm_info info;
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@@ -1499,7 +1499,7 @@ static ssize_t alarms_show(struct device
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struct device_attribute *attr, char *buf)
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{
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struct w1_slave *sl = dev_to_w1_slave(device);
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- int ret = -ENODEV;
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+ int ret;
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s8 th = 0, tl = 0;
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struct therm_info scratchpad;
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@@ -1523,7 +1523,7 @@ static ssize_t alarms_store(struct devic
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struct w1_slave *sl = dev_to_w1_slave(device);
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struct therm_info info;
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u8 new_config_register[3]; /* array of data to be written */
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- int temp, ret = -EINVAL;
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+ int temp, ret;
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char *token = NULL;
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s8 tl, th, tt; /* 1 byte per value + temp ring order */
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char *p_args, *orig;
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