[PATCH v5 1/3] iio: accel: sca3000: replace error_ret labels by simple returns

From: Andrew Ijano
Date: Wed Jun 11 2025 - 15:48:21 EST


Replace usage of error_ret labels by returning directly when handling
errors. Cases that do a mutex unlock were not changed.

Signed-off-by: Andrew Ijano <andrew.lopes@xxxxxxxxxxxxx>
Co-developed-by: Gustavo Bastos <gustavobastos@xxxxxx>
Signed-off-by: Gustavo Bastos <gustavobastos@xxxxxx>
Suggested-by: Jonathan Cameron <jic23@xxxxxxxxxx>
---
drivers/iio/accel/sca3000.c | 29 +++++++++++------------------
1 file changed, 11 insertions(+), 18 deletions(-)

diff --git a/drivers/iio/accel/sca3000.c b/drivers/iio/accel/sca3000.c
index aabe4491efd7..bfa8a3f5a92f 100644
--- a/drivers/iio/accel/sca3000.c
+++ b/drivers/iio/accel/sca3000.c
@@ -369,23 +369,20 @@ static int sca3000_write_ctrl_reg(struct sca3000_state *st,

ret = sca3000_reg_lock_on(st);
if (ret < 0)
- goto error_ret;
+ return ret;
if (ret) {
ret = __sca3000_unlock_reg_lock(st);
if (ret)
- goto error_ret;
+ return ret;
}

/* Set the control select register */
ret = sca3000_write_reg(st, SCA3000_REG_CTRL_SEL_ADDR, sel);
if (ret)
- goto error_ret;
+ return ret;

/* Write the actual value into the register */
- ret = sca3000_write_reg(st, SCA3000_REG_CTRL_DATA_ADDR, val);
-
-error_ret:
- return ret;
+ return sca3000_write_reg(st, SCA3000_REG_CTRL_DATA_ADDR, val);
}

/**
@@ -402,22 +399,20 @@ static int sca3000_read_ctrl_reg(struct sca3000_state *st,

ret = sca3000_reg_lock_on(st);
if (ret < 0)
- goto error_ret;
+ return ret;
if (ret) {
ret = __sca3000_unlock_reg_lock(st);
if (ret)
- goto error_ret;
+ return ret;
}
/* Set the control select register */
ret = sca3000_write_reg(st, SCA3000_REG_CTRL_SEL_ADDR, ctrl_reg);
if (ret)
- goto error_ret;
+ return ret;
ret = sca3000_read_data_short(st, SCA3000_REG_CTRL_DATA_ADDR, 1);
if (ret)
- goto error_ret;
+ return ret;
return st->rx[0];
-error_ret:
- return ret;
}

/**
@@ -577,7 +572,8 @@ static inline int __sca3000_get_base_freq(struct sca3000_state *st,

ret = sca3000_read_data_short(st, SCA3000_REG_MODE_ADDR, 1);
if (ret)
- goto error_ret;
+ return ret;
+
switch (SCA3000_REG_MODE_MODE_MASK & st->rx[0]) {
case SCA3000_REG_MODE_MEAS_MODE_NORMAL:
*base_freq = info->measurement_mode_freq;
@@ -591,7 +587,6 @@ static inline int __sca3000_get_base_freq(struct sca3000_state *st,
default:
ret = -EINVAL;
}
-error_ret:
return ret;
}

@@ -834,7 +829,7 @@ static ssize_t sca3000_read_av_freq(struct device *dev,
val = st->rx[0];
mutex_unlock(&st->lock);
if (ret)
- goto error_ret;
+ return ret;

switch (val & SCA3000_REG_MODE_MODE_MASK) {
case SCA3000_REG_MODE_MEAS_MODE_NORMAL:
@@ -857,8 +852,6 @@ static ssize_t sca3000_read_av_freq(struct device *dev,
break;
}
return len;
-error_ret:
- return ret;
}

/*
--
2.49.0