iio: accel: sca3000: replace error_ret labels by simple returns

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 <[e-mail]>
Co-developed-by: Gustavo Bastos <[e-mail]>
Signed-off-by: Gustavo Bastos <[e-mail]>
Suggested-by: Jonathan Cameron <[e-mail]>
Reviewed-by: Nuno Sá <[e-mail]>
Reviewed-by: Andy Shevchenko <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Jonathan Cameron <[e-mail]>

drivers/iio/accel/sca3000.c

···
 
 	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);
 }
 
 /**
···
 
 	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;
 }
 
 /**
···
 
 	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;
···
 	default:
 		ret = -EINVAL;
 	}
-error_ret:
 	return ret;
 }
 
···
 	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:
···
 		break;
 	}
 	return len;
-error_ret:
-	return ret;
 }
 
 /*