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Revert "hwmon: (lm80) fix a missing check of bus read in lm80 probe"

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commit 99ae3417672a6d4a3bf68d4fc43d7c6ca074d477 upstream.

This reverts commit 9aa3aa15f4.

Because of recent interactions with developers from @umn.edu, all
commits from them have been recently re-reviewed to ensure if they were
correct or not.

Upon review, it was determined that this commit is not needed at all so
just revert it.  Also, the call to lm80_init_client() was not properly
handled, so if error handling is needed in the lm80_probe() function,
then it should be done properly, not half-baked like the commit being
reverted here did.

Cc: Kangjie Lu <kjlu@umn.edu>
Fixes: 9aa3aa15f4 ("hwmon: (lm80) fix a missing check of bus read in lm80 probe")
Cc: stable <stable@vger.kernel.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210503115736.2104747-5-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2021-05-03 13:56:31 +02:00
parent 03c5d02c38
commit 4baaa4946d
1 changed files with 2 additions and 9 deletions
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11
drivers/hwmon/lm80.c
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@ -596,7 +596,6 @@ static int lm80_probe(struct i2c_client *client)
struct device *dev = &client->dev;
struct device *hwmon_dev;
struct lm80_data *data;
int rv;
data = devm_kzalloc(dev, sizeof(struct lm80_data), GFP_KERNEL);
if (!data)
@ -609,14 +608,8 @@ static int lm80_probe(struct i2c_client *client)
lm80_init_client(client);
/* A few vars need to be filled upon startup */
rv = lm80_read_value(client, LM80_REG_FAN_MIN(1));
if (rv < 0)
return rv;
data->fan[f_min][0] = rv;
rv = lm80_read_value(client, LM80_REG_FAN_MIN(2));
if (rv < 0)
return rv;
data->fan[f_min][1] = rv;
data->fan[f_min][0] = lm80_read_value(client, LM80_REG_FAN_MIN(1));
data->fan[f_min][1] = lm80_read_value(client, LM80_REG_FAN_MIN(2));
hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
data, lm80_groups);