Messages in this thread Patch in this message | | | From | SF Markus Elfring <> | Subject | [PATCH] iio/adc/palmas: Use common error handling code in palmas_gpadc_calibrate() | Date | Thu, 26 Oct 2017 08:08:49 +0200 |
| |
From: Markus Elfring <elfring@users.sourceforge.net> Date: Thu, 26 Oct 2017 07:58:03 +0200
* Add a jump target so that a specific error message is stored only once at the end of this function implementation.
* Adjust condition checks.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> --- drivers/iio/adc/palmas_gpadc.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/iio/adc/palmas_gpadc.c b/drivers/iio/adc/palmas_gpadc.c index 69b9affeef1e..5e6566692d46 100644 --- a/drivers/iio/adc/palmas_gpadc.c +++ b/drivers/iio/adc/palmas_gpadc.c @@ -304,17 +304,13 @@ static int palmas_gpadc_calibrate(struct palmas_gpadc *adc, int adc_chan) ret = palmas_read(adc->palmas, PALMAS_TRIM_GPADC_BASE, adc->adc_info[adc_chan].trim1_reg, &d1); - if (ret < 0) { - dev_err(adc->dev, "TRIM read failed: %d\n", ret); - goto scrub; - } + if (ret) + goto report_failure; ret = palmas_read(adc->palmas, PALMAS_TRIM_GPADC_BASE, adc->adc_info[adc_chan].trim2_reg, &d2); - if (ret < 0) { - dev_err(adc->dev, "TRIM read failed: %d\n", ret); - goto scrub; - } + if (ret) + goto report_failure; /* gain error calculation */ k = (1000 + (1000 * (d2 - d1)) / (x2 - x1)); @@ -329,6 +325,10 @@ static int palmas_gpadc_calibrate(struct palmas_gpadc *adc, int adc_chan) scrub: return ret; + +report_failure: + dev_err(adc->dev, "TRIM read failed: %d\n", ret); + goto scrub; } static int palmas_gpadc_start_conversion(struct palmas_gpadc *adc, int adc_chan) -- 2.14.3
| |